Search for dijet resonances using events with three jets in proton-proton collisions at s √ = 13 TeV
EEUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH (CERN)
CERN-EP-2019-2292020/05/01
CMS-EXO-19-004
Search for dijet resonances using events with three jets inproton-proton collisions at √ s =
13 TeV
The CMS Collaboration ∗ Abstract
A search for a narrow resonance with a mass between 350 and 700 GeV, and decay-ing into a pair of jets, is performed using proton-proton collision events containing atleast three jets. The data sample corresponds to an integrated luminosity of 18.3 fb − recorded at √ s =
13 TeV with the CMS detector. Data are collected with a tech-nique known as “data scouting”, in which the events are reconstructed, selected, andrecorded at a high rate in a compact form by the high-level trigger. The three-jet finalstate provides sensitivity to lower resonance masses than in previous searches usingthe data scouting technique. The spectrum of the dijet invariant mass, calculated fromthe two jets with the largest transverse momenta in the event, is used to search for aresonance. No significant excess over a smoothly falling background is found. Lim-its at 95% confidence level are set on the production cross section of a narrow dijetresonance and compared with the cross section of a vector dark matter mediator cou-pling to dark matter particles and quarks. Translating to a model where the narrowresonance interacts only with quarks, upper limits on this coupling range between0.10 and 0.15, depending on the resonance mass. These results represent the moststringent upper limits in the mass range between 350 and 450 GeV obtained with aflavor-inclusive dijet resonance search. ”Published in Physics Letters B as doi:10.1016/j.physletb.2020.135448 .” c (cid:13) ∗ See Appendix A for the list of collaboration members a r X i v : . [ h e p - e x ] A p r Many models of new physics predict the existence of new massive particles coupled to quarks.The production and decay of these particles into two jets, known as dijets, have been searchedfor since the first high-energy hadron colliders came into operation [1–9]. In some models,these particles act as mediators linking the standard model (SM) to new physics sectors con-taining dark matter (DM) particle candidates [10–13]. New mediators interacting with bothquarks and DM particles ( χ ) have been searched for using different methods: in the directsearches for DM, by measuring the recoil of an SM particle caused by the scattering with a DMparticle ( χ q → χ q, t -channel) [14–24]; with astrophysics detectors, by looking for SM parti-cles produced through the annihilation of DM particles ( χχ → qq, s -channel) [25–39]; and athadron colliders, by detecting the momentum imbalance due to the production of DM particles(qq → χχ , s -channel) [40–46]. The search for dijet resonances at hadron colliders (qq → qq, s -channel) can be compared with such DM searches and the results are particularly sensitivefor models where the decay of the mediator into DM particles is forbidden for kinematic rea-sons. The search for dijet resonances is also sensitive to the signals predicted by other models[47–57].Experiments at the CERN LHC have used various techniques to search for resonances in thedijet invariant mass spectrum. From searches where both jets are individually resolved, theATLAS and CMS Collaborations have set limits for resonances with masses above 450 and600 GeV, respectively, in √ s =
13 TeV proton-proton collisions [58–60], and above 250 and500 GeV, respectively, in 8 TeV collisions [61, 62]. In the sub-TeV mass range, another search bythe ATLAS Collaboration at 13 TeV for dijet resonances, produced in association with a photonfrom initial-state radiation, has set limits in the mass region between 225 and 1100 GeV [63].A search by the CMS Collaboration at 8 TeV for resonances decaying into two bottom quarks,experimentally identified as b-tagged jets, has set limits in the mass range of 325–1200 GeV[64]. Finally, the ATLAS and CMS Collaborations have set limits in the mass range below220 and 450 GeV, respectively, from searches for Lorentz-boosted resonances decaying into aquark-antiquark pair reconstructed as a single jet [65–67].This paper presents a search for a dijet resonance in three-jet events that is sensitive to narrowresonances with mass between 350 and 700 GeV. The search is based on data from pp collisionsat √ s =
13 TeV collected in 2016, corresponding to an integrated luminosity of 18.3 fb − . Toobtain a large trigger efficiency in the mass range of 350–700 GeV, we select a three-jet final stateand utilize a special high-rate trigger with low jet p T thresholds. This trigger uses a techniqueknown as “data scouting” described in Section 3. This search is limited to data collected in theyear 2016 in order to take advantage of the low trigger thresholds used in that data period.After 2016, these thresholds were raised in order to limit the trigger rate increase due to thelarger instantaneous luminosity and pileup. A detailed description of the CMS detector, together with a definition of the coordinate systemused and the relevant kinematic variables, can be found in Ref. [68]. The central feature of theCMS apparatus is a superconducting solenoid of 6 m internal diameter, providing a magneticfield of 3.8 T. Within the solenoid volume are a silicon pixel and strip tracker, a lead tungstatecrystal electromagnetic calorimeter (ECAL), and a brass and scintillator hadron calorimeter(HCAL), each composed of a barrel and two endcap sections. Muons are detected in gas-ionization chambers embedded in the steel flux-return yoke outside the solenoid.
The jets used by this analysis are calorimeter-based jets that are reconstructed from the energydeposits in the calorimeter towers, clustered using the anti- k T algorithm [69, 70] with a distanceparameter of 0.4. In this process, the contribution from each calorimeter tower is assigned amomentum, the absolute value and the direction of which are found from the energy measuredin the tower, and the coordinates of the geometrical center of the tower. The raw jet energy isobtained from the sum of the tower energies, and the raw jet momentum from the vectorialsum of the tower momenta. The raw jet energies are then corrected to establish a uniformrelative response of the calorimeter in pseudorapidity η and a calibrated absolute response intransverse momentum p T . The calorimetric jet energy resolution is typically 40% at a p T of10 GeV, 12% at 100 GeV, and 5% at 1 TeV, resulting in a calorimetric dijet mass resolution ofabout 10% for resonance masses between 350 and 700 GeV. Events of interest are selected usinga two-tiered trigger system [71]. The first level (L1), composed of custom hardware processors,uses information from the calorimeters and muon detectors to select events at a rate of around100 kHz within a time interval of less than 4 µ s. The second level, known as the high-leveltrigger (HLT), consists of a farm of processors running a version of the full event reconstructionsoftware optimized for fast processing, and reduces the event rate to around 1 kHz before datastorage. We selected events requiring H T >
240 GeV at the L1 trigger and H T >
250 GeV at the HLT,where H T is the scalar p T sum of jets with p T >
40 GeV and | η | < × cm − s − . The amount of datagenerated by such a high-rate trigger alone using the standard data-taking format would havesaturated the computing and storage systems of the CMS experiment. For this reason, weused a special data-taking technique, which consisted of saving only the calorimeter-based jetsreconstructed by the HLT, instead of the full detector readout. The size of this reduced dataformat is about 0.5% of the full event size. This technique is known as “data scouting” and wasused in previous CMS dijet resonance searches [60, 62].Data scouting allows the analysis of a very large rate of data passing the HLT trigger, onlylimited by the overall rate of the L1 trigger. To keep a constant rate, the L1 trigger H T thresh-old was raised from 240 to 360 GeV as the instantaneous luminosity increased. This search islimited to data collected in 2016 with the lower L1 trigger threshold H T >
240 GeV, in order toobtain the maximum sensitivity for low mass resonances. From a sample of events collectedwith a minimum-bias trigger and passing the selection discussed below, we measured a triggerefficiency larger than 99% for a dijet invariant mass greater than 290 GeV.Signal events corresponding to a narrow vector resonance decaying into quark-antiquark pairswere generated using the M AD G RAPH MC @ NLO version 2.2.2 generator at leading order[72, 73], with the
PYTHIA
EANT AD G RAPH for a vector boson decaying into a quark-antiquark pair, with couplingto quarks g q = g DM = The discriminating variable in this analysis is the invariant mass of the two jets originatingfrom the resonance decay. This variable is calculated using jets, reconstructed at the HLT fromenergy deposits in the calorimeter, and passing the selection p T >
30 GeV and | η | < k T algorithm with a distance parameter of 1.1. This algorithm improves the dijet massresolution and the resonance search sensitivity, by recombining jets from hard final-state radi-ation to obtain a reduced number of wide jets. A similar algorithm using a merging distanceof ∆ R = √ ( ∆ η ) + ( ∆ ϕ ) < p T >
72 GeV, in order toselect events that have large H T and pass the trigger selections. This requirement is particu-larly effective in selecting events with low dijet invariant mass, which would be rejected if onlytwo jets were required. Applying a common threshold to the p T of the three jets enabled us tominimize the value of the lowest resonance mass to which we are sensitive. The p T thresholdof the three-jet selection has been chosen with a method that is explained in the next section.Finally, the two leading wide jets are required to have | η − η | < t -channel production of jets.Since we require at least three wide jets in the event, there are multiple ways to select the dijetsystem, i.e., the pair of wide jets originating from the resonance decay. We select as the dijetthe two wide jets with the largest and the next-to-largest p T in the event. This selection iscorrect in 70 (50)% of simulated signal events with a resonance mass of 700 (350) GeV. Wrongcombinations arise because either an energetic initial-state radiation jet is included in the dijetselection, or an energetic jet from final-state radiation is emitted with a distance ∆ R > p T . We found that such alternative criteria do have betterperformance if the resonance p T is greater than half the mass, but worse performance for thissearch. This is because, for accepted events, the p T of the resonance is about 150 GeV, which isless than half the resonance mass considered in this search. Figure 1 shows the dijet mass ( m jj ) spectrum. The background is modeled with the followinganalytic function, d σ d m jj = p ( p x − ) x p + p log x + p log x , (1)where x is defined as m jj / √ s , and p , p , p , p , and p are free parameters of the fit. Thisfunction is similar to that used by previous dijet searches [58–62], with a modification to thenumerator. The new parameterization better fits the shape of the dijet mass spectrum for three-jet events, which includes the effect of a small inefficiency to pass the trigger for events at thelowest values of dijet mass. The function has been chosen from a pool of functions using aFisher test [78] with a 95% confidence level (CL). The pool of functions is obtained by chang-ing the number of degrees of freedom of the polylogarithmic function in the exponent of the denominator of Eq. (1). We perform a maximum likelihood fit of the function in Eq. (1) to ourdata in the mass range 290 < m jj < χ /NDF =
300 400 500 600 700 800 900 1000 [ pb / G e V ] jj / d m s d (13 TeV) -1 CMS
DataFitqq (700 GeV)qq (550 GeV)qq (400 GeV) / NDF = 19.2 / 13 = 1.5 c Three wide jets | < 2.5 h > 72 GeV, | T p | < 1.1 h - h | -1 -2 Dijet mass [GeV] S t a t. U n c . D a t a - F i t - - - Figure 1: Dijet mass spectrum (points) compared to a fitted parameterization of the back-ground (solid curve). The background fit is performed in the range 290 < m jj < p T threshold for the three-jet selection are determined in the follow-ing way. We measure the distribution of the dijet mass in a signal-depleted region defined byreplacing the requirement | η − η | < | η + η | < η of the second jet—thesign of the z component of the momentum of the subleading jet is reversed and then the dijetmass is calculated. For background events, the dijet mass distribution in the signal-depleted re-gion, so calculated, is closely similar to the dijet mass distribution in the signal region becausethe variables η − η in the signal region and η + η in the signal-depleted region have ap-proximately the same uniform distribution between − p T in the event, are obtained by fitting an analyticfunction describing this product to the ratio of the numbers of events passing the signal se-lection to the number of events passing the signal-depleted selection. The lower edge of dijet mass included in the search, 290 GeV, has been chosen to be the lowest value of the correcteddijet mass in the signal-depleted region for which the fit of the background parameterizationhas a Kolmogorov–Smirnov (KS) probability [79–81] larger than 33%. The p T threshold of thethree-jet selection, 72 GeV, has been chosen to obtain the lowest possible value for the correcteddijet mass in the signal-depleted region that could be included in the fit and satisfy the same KStest. We verified that an injected signal with a strength corresponding to the 95% CL expectedupper limit does not change the choice of the fit range and the three-jet selection. The asymptotic approximation [82] of the modified frequentist CL s method [83, 84] is utilizedto set upper limits on signal cross sections, following the prescription described in Ref. [85].We use the profiled likelihood ratio as test statistic. The likelihood is the product of the Pois-son probabilities for each of the bins in Fig. 1. The expected background yield of each bin isdetermined from the analytic function described in Eq. (1). The five parameters of the analyticfunction are profiled and their uncertainties from the fit to data are the dominant uncertainties.The shapes of the dijet mass distributions for signals are obtained from simulations. The sys-tematic uncertainties affecting the signal shape and normalization have a minor impact and areincorporated into the likelihood function via nuisance parameters with log-normal probabilitydistributions. We account for the uncertainty of 2% in the jet energy scale [86] by shifting thedijet mass of the signal distribution by ± ±
10% [86]. The signal acceptancedepends significantly on the presence of a jet from initial-state or final-state radiation. We es-timated the uncertainty of the simulation related to this dependence by modifying by a factorof two both the renormalization ( µ R ) and the factorization scales ( µ F ) of the initial-state andfinal-state radiation using the method described in Ref. [87]. This uncertainty has a negligibleeffect on the shape of the dijet mass distribution of the signal, and changes the normalizationby 10%. The uncertainty in the integrated luminosity is 2.5% [88] and affects directly the signalnormalization. The systematic uncertainty due to the choice of the background function hasbeen estimated by measuring the signal yield in pseudo-data spectra generated using alterna-tive background functions. The measured cross section in each case is the same as that of theinjected signal, and this systematic uncertainty is found to be negligible. We tested the capa-bility of the alternative functions to fit the multijet background by fitting the signal-depletedregion described in Section 5. The systematic uncertainties related to pileup, parton distribu-tion functions, underlying events, and parton shower models are also found to be negligible. Figure 2 shows, as a function of resonance mass, observed and expected upper limits at 95%CL on the product of the cross section, branching fraction, and acceptance of a narrow vectorresonance decaying to jets. Table 1 shows the acceptance calculated using signal simulations.Limits are presented for resonance masses between 350 and 700 GeV, for which the acceptanceof the dijet mass requirement 290 < m jj < g (cid:48) q of a vector resonance that decaysonly to quarks, defined according to the convention of Ref. [89], are between 0.10 and 0.15.Figures 2 and 3 compare the upper limits on the cross section and the coupling g (cid:48) q , respectively,with the predictions of a model with a DM mediator that decays to DM particles with massesof 1 GeV, and also decays to quarks. This analysis excludes a benchmark model of such a DMmediator with coupling to quarks g q = g DM =
1, over the
Resonance mass [GeV]350 400 450 500 550 600 650 700 [ pb ] A · B · s CMS (13 TeV) -1 quark-quark
95% CL limitsObservedExpected 1 std. deviation – – = 1) DM = 0.25, g q (gDM vector mediator Figure 2: Upper limits at 95% CL on the product of the cross section, branching fraction, and ac-ceptance as a function of resonance mass for a narrow vector resonance decaying into a pair ofquark jets. The acceptance is calculated for the analysis selection, namely three wide jets with p T >
72 GeV and | η | < | η − η | < p T >
72 GeV and | η | < | η − η | < µ R ) andthe factorization scales ( µ F ) of the initial-state and final-state radiation [87].Resonance mass 300 GeV 400 GeV 500 GeV 600 GeV 800 GeVAcceptance ( ± ) % ( ± ) % ( ± ) % ( ± ) % ( ± ) %complete mass range 350 to 700 GeV. In our notation, g (cid:48) q is the coupling for a model in whichthe resonance couples to quarks only, and g q is the coupling to quarks for a model in which theresonance also couples to DM particles. We convert g q into g (cid:48) q using the following relationship g (cid:48) q = g q (cid:114) + (cid:16) N q ( M med ) g (cid:17) (2)where N q ( M med ) is the effective number of quarks N q ( M med ) = ∑ q (cid:32) − m q M (cid:33) (cid:32) + m q M (cid:33) (3)and the index q runs over the quark flavors (u, d, s, c, b, t) having m q < M med /2 [11, 60]. Resonance mass [GeV]350 400 450 500 550 600 650 700 q C oup li ng g ' CMS (13 TeV) -1 quark-quark
95% CL limitsObservedExpected 1 std. deviation – – = 1) DM = 0.25, g q (gDM vector mediator Figure 3: Upper limits at 95% CL on the universal quark coupling g (cid:48) q , as a function of resonancemass, for a narrow vector resonance that only couples to quarks. The observed limits (solidcurve), expected limits (dashed curve) and their variation at the 1 and 2 standard deviationlevels (shaded bands) are shown. The dashed-dotted curve shows the coupling strength forwhich the cross section for dijet production in this model is the same as for a DM mediator (seetext). A search for a narrow vector resonance of mass between 350 and 700 GeV decaying into two jetshas been performed in events containing at least three jets using proton-proton collision data at √ s =
13 TeV at the LHC corresponding to an integrated luminosity of 18.3 fb − . The dijet massdistribution of the two leading jets is smooth, and there is no evidence for a resonance. Upperlimits at 95% confidence level are set on the product of the cross section, branching fraction,and acceptance as a function of resonance mass. This search excludes a simplified model ofinteractions between quarks and dark matter particles of mass 1 GeV, where the interactionsare mediated by a vector particle with mass between 350 and 700 GeV, for coupling strengthsof g q = g DM =
1. Upper limits between 0.10 and 0.15 are also set on the couplingto quarks g (cid:48) q for a vector particle interacting only with quarks. These results represent themost stringent upper limits in the mass range between 350 and 450 GeV obtained with a flavor-inclusive dijet resonance search. Acknowledgments
We congratulate our colleagues in the CERN accelerator departments for the excellent perfor-mance of the LHC and thank the technical and administrative staffs at CERN and at other CMSinstitutes for their contributions to the success of the CMS effort. In addition, we gratefullyacknowledge the computing centers and personnel of the Worldwide LHC Computing Gridfor delivering so effectively the computing infrastructure essential to our analyses. Finally,we acknowledge the enduring support for the construction and operation of the LHC and theCMS detector provided by the following funding agencies: BMBWF and FWF (Austria); FNRSand FWO (Belgium); CNPq, CAPES, FAPERJ, FAPERGS, and FAPESP (Brazil); MES (Bulgaria);CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia);RPF (Cyprus); SENESCYT (Ecuador); MoER, ERC IUT, PUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF(Germany); GSRT (Greece); NKFIA (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland);INFN (Italy); MSIP and NRF (Republic of Korea); MES (Latvia); LAS (Lithuania); MOE and UM(Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); MOS (Mon-tenegro); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal);JINR (Dubna); MON, RosAtom, RAS, RFBR, and NRC KI (Russia); MESTD (Serbia); SEIDI,CPAN, PCTI, and FEDER (Spain); MOSTR (Sri Lanka); Swiss Funding Agencies (Switzerland);MST (Taipei); ThEPCenter, IPST, STAR, and NSTDA (Thailand); TUBITAK and TAEK (Turkey);NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA).Individuals have received support from the Marie-Curie program and the European ResearchCouncil and Horizon 2020 Grant, contract Nos. 675440, 752730, and 765710 (European Union);the Leventis Foundation; the A.P. Sloan Foundation; the Alexander von Humboldt Foundation;the Belgian Federal Science Policy Office; the Fonds pour la Formation `a la Recherche dansl’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Weten-schap en Technologie (IWT-Belgium); the F.R.S.-FNRS and FWO (Belgium) under the “Excel-lence of Science – EOS” – be.h project n. 30820817; the Beijing Municipal Science & TechnologyCommission, No. Z181100004218003; the Ministry of Education, Youth and Sports (MEYS)of the Czech Republic; the Lend ¨ulet (“Momentum”) Program and the J´anos Bolyai ResearchScholarship of the Hungarian Academy of Sciences, the New National Excellence Program´UNKP, the NKFIA research grants 123842, 123959, 124845, 124850, 125105, 128713, 128786,and 129058 (Hungary); the Council of Science and Industrial Research, India; the HOMINGPLUS program of the Foundation for Polish Science, cofinanced from European Union, Re-gional Development Fund, the Mobility Plus program of the Ministry of Science and HigherEducation, the National Science Center (Poland), contracts Harmonia 2014/14/M/ST2/00428,Opus 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, and 2015/19/B/ST2/02861, Sonata-bis2012/07/E/ST2/01406; the National Priorities Research Program by Qatar National ResearchFund; the Ministry of Science and Education, grant no. 3.2989.2017 (Russia); the Programa Es-tatal de Fomento de la Investigaci ´on Cient´ıfica y T´ecnica de Excelencia Mar´ıa de Maeztu, grantMDM-2015-0509 and the Programa Severo Ochoa del Principado de Asturias; the Thalis andAristeia programs cofinanced by EU-ESF and the Greek NSRF; the Rachadapisek Sompot Fundfor Postdoctoral Fellowship, Chulalongkorn University and the Chulalongkorn Academic intoIts 2nd Century Project Advancement Project (Thailand); the Nvidia Corporation; the WelchFoundation, contract C-1845; and the Weston Havens Foundation (USA).
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Yerevan Physics Institute, Yerevan, Armenia
A.M. Sirunyan † , A. Tumasyan Institut f ¨ur Hochenergiephysik, Wien, Austria
W. Adam, F. Ambrogi, T. Bergauer, M. Dragicevic, J. Er ¨o, A. Escalante Del Valle, M. Flechl,R. Fr ¨uhwirth , M. Jeitler , N. Krammer, I. Kr¨atschmer, D. Liko, T. Madlener, I. Mikulec, N. Rad,J. Schieck , R. Sch ¨ofbeck, M. Spanring, D. Spitzbart, W. Waltenberger, C.-E. Wulz , M. Zarucki Institute for Nuclear Problems, Minsk, Belarus
V. Drugakov, V. Mossolov, J. Suarez Gonzalez
Universiteit Antwerpen, Antwerpen, Belgium
M.R. Darwish, E.A. De Wolf, D. Di Croce, X. Janssen, A. Lelek, M. Pieters, H. Rejeb Sfar,H. Van Haevermaet, P. Van Mechelen, S. Van Putte, N. Van Remortel
Vrije Universiteit Brussel, Brussel, Belgium
F. Blekman, E.S. Bols, S.S. Chhibra, J. D’Hondt, J. De Clercq, D. Lontkovskyi, S. Lowette,I. Marchesini, S. Moortgat, Q. Python, K. Skovpen, S. Tavernier, W. Van Doninck,P. Van Mulders
Universit´e Libre de Bruxelles, Bruxelles, Belgium
D. Beghin, B. Bilin, B. Clerbaux, G. De Lentdecker, H. Delannoy, B. Dorney, L. Favart,A. Grebenyuk, A.K. Kalsi, A. Popov, N. Postiau, E. Starling, L. Thomas, C. Vander Velde,P. Vanlaer, D. Vannerom
Ghent University, Ghent, Belgium
T. Cornelis, D. Dobur, I. Khvastunov , M. Niedziela, C. Roskas, M. Tytgat, W. Verbeke,B. Vermassen, M. Vit Universit´e Catholique de Louvain, Louvain-la-Neuve, Belgium
O. Bondu, G. Bruno, C. Caputo, P. David, C. Delaere, M. Delcourt, A. Giammanco, V. Lemaitre,J. Prisciandaro, A. Saggio, M. Vidal Marono, P. Vischia, J. Zobec
Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
F.L. Alves, G.A. Alves, G. Correia Silva, C. Hensel, A. Moraes, P. Rebello Teles
Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
E. Belchior Batista Das Chagas, W. Carvalho, J. Chinellato , E. Coelho, E.M. Da Costa,G.G. Da Silveira , D. De Jesus Damiao, C. De Oliveira Martins, S. Fonseca De Souza,L.M. Huertas Guativa, H. Malbouisson, J. Martins , D. Matos Figueiredo, M. Medina Jaime ,M. Melo De Almeida, C. Mora Herrera, L. Mundim, H. Nogima, W.L. Prado Da Silva,L.J. Sanchez Rosas, A. Santoro, A. Sznajder, M. Thiel, E.J. Tonelli Manganote , F. Tor-res Da Silva De Araujo, A. Vilela Pereira Universidade Estadual Paulista a , Universidade Federal do ABC b , S˜ao Paulo, Brazil C.A. Bernardes a , L. Calligaris a , T.R. Fernandez Perez Tomei a , E.M. Gregores b , D.S. Lemos,P.G. Mercadante b , S.F. Novaes a , SandraS. Padula a Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia,Bulgaria
A. Aleksandrov, G. Antchev, R. Hadjiiska, P. Iaydjiev, M. Misheva, M. Rodozov, M. Shopova,G. Sultanov University of Sofia, Sofia, Bulgaria
M. Bonchev, A. Dimitrov, T. Ivanov, L. Litov, B. Pavlov, P. Petkov
Beihang University, Beijing, China
W. Fang , X. Gao , L. Yuan Department of Physics, Tsinghua University, Beijing, China
M. Ahmad, Z. Hu, Y. Wang
Institute of High Energy Physics, Beijing, China
G.M. Chen, H.S. Chen, M. Chen, C.H. Jiang, D. Leggat, H. Liao, Z. Liu, A. Spiezia, J. Tao,E. Yazgan, H. Zhang, S. Zhang , J. Zhao State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China
A. Agapitos, Y. Ban, G. Chen, A. Levin, J. Li, L. Li, Q. Li, Y. Mao, S.J. Qian, D. Wang, Q. Wang
Zhejiang University, Hangzhou, China
M. Xiao
Universidad de Los Andes, Bogota, Colombia
C. Avila, A. Cabrera, C. Florez, C.F. Gonz´alez Hern´andez, M.A. Segura Delgado
Universidad de Antioquia, Medellin, Colombia
J. Mejia Guisao, J.D. Ruiz Alvarez, C.A. Salazar Gonz´alez, N. Vanegas Arbelaez
University of Split, Faculty of Electrical Engineering, Mechanical Engineering and NavalArchitecture, Split, Croatia
D. Giljanovi´c, N. Godinovic, D. Lelas, I. Puljak, T. Sculac
University of Split, Faculty of Science, Split, Croatia
Z. Antunovic, M. Kovac
Institute Rudjer Boskovic, Zagreb, Croatia
V. Brigljevic, D. Ferencek, K. Kadija, B. Mesic, M. Roguljic, A. Starodumov , T. Susa University of Cyprus, Nicosia, Cyprus
M.W. Ather, A. Attikis, E. Erodotou, A. Ioannou, M. Kolosova, S. Konstantinou, G. Mavro-manolakis, J. Mousa, C. Nicolaou, F. Ptochos, P.A. Razis, H. Rykaczewski, D. Tsiakkouri
Charles University, Prague, Czech Republic
M. Finger , M. Finger Jr. , A. Kveton, J. Tomsa Escuela Politecnica Nacional, Quito, Ecuador
E. Ayala
Universidad San Francisco de Quito, Quito, Ecuador
E. Carrera Jarrin
Academy of Scientific Research and Technology of the Arab Republic of Egypt, EgyptianNetwork of High Energy Physics, Cairo, Egypt
Y. Assran , S. Elgammal National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
S. Bhowmik, A. Carvalho Antunes De Oliveira, R.K. Dewanjee, K. Ehataht, M. Kadastik,M. Raidal, C. Veelken
Department of Physics, University of Helsinki, Helsinki, Finland
P. Eerola, L. Forthomme, H. Kirschenmann, K. Osterberg, M. Voutilainen Helsinki Institute of Physics, Helsinki, Finland
F. Garcia, J. Havukainen, J.K. Heikkil¨a, V. Karim¨aki, M.S. Kim, R. Kinnunen, T. Lamp´en,K. Lassila-Perini, S. Laurila, S. Lehti, T. Lind´en, P. Luukka, T. M¨aenp¨a¨a, H. Siikonen,E. Tuominen, J. Tuominiemi
Lappeenranta University of Technology, Lappeenranta, Finland
T. Tuuva
IRFU, CEA, Universit´e Paris-Saclay, Gif-sur-Yvette, France
M. Besancon, F. Couderc, M. Dejardin, D. Denegri, B. Fabbro, J.L. Faure, F. Ferri, S. Ganjour,A. Givernaud, P. Gras, G. Hamel de Monchenault, P. Jarry, C. Leloup, B. Lenzi, E. Locci,J. Malcles, J. Rander, A. Rosowsky, M. ¨O. Sahin, A. Savoy-Navarro , M. Titov, G.B. Yu Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechniquede Paris
S. Ahuja, C. Amendola, F. Beaudette, P. Busson, C. Charlot, B. Diab, G. Falmagne,R. Granier de Cassagnac, I. Kucher, A. Lobanov, C. Martin Perez, M. Nguyen, C. Ochando,P. Paganini, J. Rembser, R. Salerno, J.B. Sauvan, Y. Sirois, A. Zabi, A. Zghiche
Universit´e de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France
J.-L. Agram , J. Andrea, D. Bloch, G. Bourgatte, J.-M. Brom, E.C. Chabert, C. Collard,E. Conte , J.-C. Fontaine , D. Gel´e, U. Goerlach, M. Jansov´a, A.-C. Le Bihan, N. Tonon,P. Van Hove Centre de Calcul de l’Institut National de Physique Nucleaire et de Physique des Particules,CNRS/IN2P3, Villeurbanne, France
S. Gadrat
Universit´e de Lyon, Universit´e Claude Bernard Lyon 1, CNRS-IN2P3, Institut de PhysiqueNucl´eaire de Lyon, Villeurbanne, France
S. Beauceron, C. Bernet, G. Boudoul, C. Camen, A. Carle, N. Chanon, R. Chierici, D. Contardo,P. Depasse, H. El Mamouni, J. Fay, S. Gascon, M. Gouzevitch, B. Ille, Sa. Jain, F. Lagarde,I.B. Laktineh, H. Lattaud, A. Lesauvage, M. Lethuillier, L. Mirabito, S. Perries, V. Sordini,L. Torterotot, G. Touquet, M. Vander Donckt, S. Viret
Georgian Technical University, Tbilisi, Georgia
G. Adamov
Tbilisi State University, Tbilisi, Georgia
Z. Tsamalaidze RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany
C. Autermann, L. Feld, K. Klein, M. Lipinski, D. Meuser, A. Pauls, M. Preuten, M.P. Rauch,J. Schulz, M. Teroerde, B. Wittmer
RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
M. Erdmann, B. Fischer, S. Ghosh, T. Hebbeker, K. Hoepfner, H. Keller, L. Mastrolorenzo,M. Merschmeyer, A. Meyer, P. Millet, G. Mocellin, S. Mondal, S. Mukherjee, D. Noll, A. Novak,T. Pook, A. Pozdnyakov, T. Quast, M. Radziej, Y. Rath, H. Reithler, J. Roemer, A. Schmidt,S.C. Schuler, A. Sharma, S. Wiedenbeck, S. Zaleski
RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany
G. Fl ¨ugge, W. Haj Ahmad , O. Hlushchenko, T. Kress, T. M ¨uller, A. Nowack, C. Pistone,O. Pooth, D. Roy, H. Sert, A. Stahl Deutsches Elektronen-Synchrotron, Hamburg, Germany
M. Aldaya Martin, P. Asmuss, I. Babounikau, H. Bakhshiansohi, K. Beernaert, O. Behnke,A. Berm ´udez Mart´ınez, D. Bertsche, A.A. Bin Anuar, K. Borras , V. Botta, A. Campbell,A. Cardini, P. Connor, S. Consuegra Rodr´ıguez, C. Contreras-Campana, V. Danilov, A. De Wit,M.M. Defranchis, C. Diez Pardos, D. Dom´ınguez Damiani, G. Eckerlin, D. Eckstein, T. Eichhorn,A. Elwood, E. Eren, E. Gallo , A. Geiser, A. Grohsjean, M. Guthoff, M. Haranko, A. Harb,A. Jafari, N.Z. Jomhari, H. Jung, A. Kasem , M. Kasemann, H. Kaveh, J. Keaveney,C. Kleinwort, J. Knolle, D. Kr ¨ucker, W. Lange, T. Lenz, J. Lidrych, K. Lipka, W. Lohmann ,R. Mankel, I.-A. Melzer-Pellmann, A.B. Meyer, M. Meyer, M. Missiroli, J. Mnich, A. Mussgiller,V. Myronenko, D. P´erez Ad´an, S.K. Pflitsch, D. Pitzl, A. Raspereza, A. Saibel, M. Savitskyi,V. Scheurer, P. Sch ¨utze, C. Schwanenberger, R. Shevchenko, A. Singh, H. Tholen, O. Turkot,A. Vagnerini, M. Van De Klundert, R. Walsh, Y. Wen, K. Wichmann, C. Wissing, O. Zenaiev,R. Zlebcik University of Hamburg, Hamburg, Germany
R. Aggleton, S. Bein, L. Benato, A. Benecke, V. Blobel, T. Dreyer, A. Ebrahimi, F. Feindt,A. Fr ¨ohlich, C. Garbers, E. Garutti, D. Gonzalez, P. Gunnellini, J. Haller, A. Hinzmann,A. Karavdina, G. Kasieczka, R. Klanner, R. Kogler, N. Kovalchuk, S. Kurz, V. Kutzner, J. Lange,T. Lange, A. Malara, J. Multhaup, C.E.N. Niemeyer, A. Perieanu, A. Reimers, O. Rieger,C. Scharf, P. Schleper, S. Schumann, J. Schwandt, J. Sonneveld, H. Stadie, G. Steinbr ¨uck,F.M. Stober, B. Vormwald, I. Zoi
Karlsruher Institut fuer Technologie, Karlsruhe, Germany
M. Akbiyik, C. Barth, M. Baselga, S. Baur, T. Berger, E. Butz, R. Caspart, T. Chwalek, W. De Boer,A. Dierlamm, K. El Morabit, N. Faltermann, M. Giffels, P. Goldenzweig, A. Gottmann,M.A. Harrendorf, F. Hartmann , U. Husemann, S. Kudella, S. Mitra, M.U. Mozer, D. M ¨uller,Th. M ¨uller, M. Musich, A. N ¨urnberg, G. Quast, K. Rabbertz, M. Schr ¨oder, I. Shvetsov,H.J. Simonis, R. Ulrich, M. Wassmer, M. Weber, C. W ¨ohrmann, R. Wolf Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi,Greece
G. Anagnostou, P. Asenov, G. Daskalakis, T. Geralis, A. Kyriakis, D. Loukas, G. Paspalaki
National and Kapodistrian University of Athens, Athens, Greece
M. Diamantopoulou, G. Karathanasis, P. Kontaxakis, A. Manousakis-katsikakis, A. Panagiotou,I. Papavergou, N. Saoulidou, A. Stakia, K. Theofilatos, K. Vellidis, E. Vourliotis
National Technical University of Athens, Athens, Greece
G. Bakas, K. Kousouris, I. Papakrivopoulos, G. Tsipolitis
University of Io´annina, Io´annina, Greece
I. Evangelou, C. Foudas, P. Gianneios, P. Katsoulis, P. Kokkas, S. Mallios, K. Manitara,N. Manthos, I. Papadopoulos, J. Strologas, F.A. Triantis, D. Tsitsonis
MTA-ELTE Lend ¨ulet CMS Particle and Nuclear Physics Group, E ¨otv ¨os Lor´and University,Budapest, Hungary
M. Bart ´ok , R. Chudasama, M. Csanad, P. Major, K. Mandal, A. Mehta, M.I. Nagy, G. Pasztor,O. Sur´anyi, G.I. Veres Wigner Research Centre for Physics, Budapest, Hungary
G. Bencze, C. Hajdu, D. Horvath , F. Sikler, T. ´A. V´ami, V. Veszpremi, G. Vesztergombi † Institute of Nuclear Research ATOMKI, Debrecen, Hungary
N. Beni, S. Czellar, J. Karancsi , J. Molnar, Z. Szillasi Institute of Physics, University of Debrecen, Debrecen, Hungary
P. Raics, D. Teyssier, Z.L. Trocsanyi, B. Ujvari
Eszterhazy Karoly University, Karoly Robert Campus, Gyongyos, Hungary
T. Csorgo, W.J. Metzger, F. Nemes, T. Novak
Indian Institute of Science (IISc), Bangalore, India
S. Choudhury, J.R. Komaragiri, P.C. Tiwari
National Institute of Science Education and Research, HBNI, Bhubaneswar, India
S. Bahinipati , C. Kar, G. Kole, P. Mal, V.K. Muraleedharan Nair Bindhu, A. Nayak ,D.K. Sahoo , S.K. Swain Panjab University, Chandigarh, India
S. Bansal, S.B. Beri, V. Bhatnagar, S. Chauhan, R. Chawla, N. Dhingra, R. Gupta, A. Kaur,M. Kaur, S. Kaur, P. Kumari, M. Lohan, M. Meena, K. Sandeep, S. Sharma, J.B. Singh, A.K. Virdi,G. Walia
University of Delhi, Delhi, India
A. Bhardwaj, B.C. Choudhary, R.B. Garg, M. Gola, S. Keshri, Ashok Kumar, M. Naimuddin,P. Priyanka, K. Ranjan, Aashaq Shah, R. Sharma
Saha Institute of Nuclear Physics, HBNI, Kolkata, India
R. Bhardwaj , M. Bharti , R. Bhattacharya, S. Bhattacharya, U. Bhawandeep , D. Bhowmik,S. Dutta, S. Ghosh, B. Gomber , M. Maity , K. Mondal, S. Nandan, A. Purohit, P.K. Rout,G. Saha, S. Sarkar, T. Sarkar , M. Sharan, B. Singh , S. Thakur Indian Institute of Technology Madras, Madras, India
P.K. Behera, P. Kalbhor, A. Muhammad, P.R. Pujahari, A. Sharma, A.K. Sikdar
Bhabha Atomic Research Centre, Mumbai, India
D. Dutta, V. Jha, V. Kumar, D.K. Mishra, P.K. Netrakanti, L.M. Pant, P. Shukla
Tata Institute of Fundamental Research-A, Mumbai, India
T. Aziz, M.A. Bhat, S. Dugad, G.B. Mohanty, N. Sur, RavindraKumar Verma
Tata Institute of Fundamental Research-B, Mumbai, India
S. Banerjee, S. Bhattacharya, S. Chatterjee, P. Das, M. Guchait, S. Karmakar, S. Kumar,G. Majumder, K. Mazumdar, N. Sahoo, S. Sawant
Indian Institute of Science Education and Research (IISER), Pune, India
S. Dube, B. Kansal, A. Kapoor, K. Kothekar, S. Pandey, A. Rane, A. Rastogi, S. Sharma
Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
S. Chenarani , E. Eskandari Tadavani, S.M. Etesami , M. Khakzad, M. Mohammadi Na-jafabadi, M. Naseri, F. Rezaei Hosseinabadi University College Dublin, Dublin, Ireland
M. Felcini, M. Grunewald
INFN Sezione di Bari a , Universit`a di Bari b , Politecnico di Bari c , Bari, Italy M. Abbrescia a , b , R. Aly a , b ,29 , C. Calabria a , b , A. Colaleo a , D. Creanza a , c , L. Cristella a , b ,N. De Filippis a , c , M. De Palma a , b , A. Di Florio a , b , W. Elmetenawee a , b , L. Fiore a , A. Gelmi a , b ,G. Iaselli a , c , M. Ince a , b , S. Lezki a , b , G. Maggi a , c , M. Maggi a , J.A. Merlin, G. Miniello a , b , S. My a , b ,S. Nuzzo a , b , A. Pompili a , b , G. Pugliese a , c , R. Radogna a , A. Ranieri a , G. Selvaggi a , b , L. Silvestris a ,F.M. Simone a , b , R. Venditti a , P. Verwilligen a INFN Sezione di Bologna a , Universit`a di Bologna b , Bologna, Italy G. Abbiendi a , C. Battilana a , b , D. Bonacorsi a , b , L. Borgonovi a , b , S. Braibant-Giacomelli a , b ,R. Campanini a , b , P. Capiluppi a , b , A. Castro a , b , F.R. Cavallo a , C. Ciocca a , G. Codispoti a , b ,M. Cuffiani a , b , G.M. Dallavalle a , F. Fabbri a , A. Fanfani a , b , E. Fontanesi a , b , P. Giacomelli a ,C. Grandi a , L. Guiducci a , b , F. Iemmi a , b , S. Lo Meo a ,30 , S. Marcellini a , G. Masetti a ,F.L. Navarria a , b , A. Perrotta a , F. Primavera a , b , A.M. Rossi a , b , T. Rovelli a , b , G.P. Siroli a , b , N. Tosi a INFN Sezione di Catania a , Universit`a di Catania b , Catania, Italy S. Albergo a , b ,31 , S. Costa a , b , A. Di Mattia a , R. Potenza a , b , A. Tricomi a , b ,31 , C. Tuve a , b INFN Sezione di Firenze a , Universit`a di Firenze b , Firenze, Italy G. Barbagli a , A. Cassese, R. Ceccarelli, V. Ciulli a , b , C. Civinini a , R. D’Alessandro a , b , F. Fiori a , c ,E. Focardi a , b , G. Latino a , b , P. Lenzi a , b , M. Meschini a , S. Paoletti a , G. Sguazzoni a , L. Viliani a INFN Laboratori Nazionali di Frascati, Frascati, Italy
L. Benussi, S. Bianco, D. Piccolo
INFN Sezione di Genova a , Universit`a di Genova b , Genova, Italy M. Bozzo a , b , F. Ferro a , R. Mulargia a , b , E. Robutti a , S. Tosi a , b INFN Sezione di Milano-Bicocca a , Universit`a di Milano-Bicocca b , Milano, Italy A. Benaglia a , A. Beschi a , b , F. Brivio a , b , V. Ciriolo a , b ,16 , M.E. Dinardo a , b , P. Dini a , S. Gennai a ,A. Ghezzi a , b , P. Govoni a , b , L. Guzzi a , b , M. Malberti a , S. Malvezzi a , D. Menasce a , F. Monti a , b ,L. Moroni a , M. Paganoni a , b , D. Pedrini a , S. Ragazzi a , b , T. Tabarelli de Fatis a , b , D. Valsecchi a , b ,D. Zuolo a , b INFN Sezione di Napoli a , Universit`a di Napoli ’Federico II’ b , Napoli, Italy, Universit`a dellaBasilicata c , Potenza, Italy, Universit`a G. Marconi d , Roma, Italy S. Buontempo a , N. Cavallo a , c , A. De Iorio a , b , A. Di Crescenzo a , b , F. Fabozzi a , c , F. Fienga a ,G. Galati a , A.O.M. Iorio a , b , L. Lista a , b , S. Meola a , d ,16 , P. Paolucci a ,16 , B. Rossi a , C. Sciacca a , b ,E. Voevodina a , b INFN Sezione di Padova a , Universit`a di Padova b , Padova, Italy, Universit`a di Trento c ,Trento, Italy P. Azzi a , N. Bacchetta a , D. Bisello a , b , A. Boletti a , b , A. Bragagnolo a , b , R. Carlin a , b , P. Checchia a ,P. De Castro Manzano a , T. Dorigo a , U. Dosselli a , F. Gasparini a , b , U. Gasparini a , b , A. Gozzelino a ,S.Y. Hoh a , b , P. Lujan a , M. Margoni a , b , A.T. Meneguzzo a , b , J. Pazzini a , b , M. Presilla b ,P. Ronchese a , b , R. Rossin a , b , F. Simonetto a , b , A. Tiko a , M. Tosi a , b , M. Zanetti a , b , P. Zotto a , b ,G. Zumerle a , b INFN Sezione di Pavia a , Universit`a di Pavia b , Pavia, Italy A. Braghieri a , D. Fiorina a , b , P. Montagna a , b , S.P. Ratti a , b , V. Re a , M. Ressegotti a , b , C. Riccardi a , b ,P. Salvini a , I. Vai a , P. Vitulo a , b INFN Sezione di Perugia a , Universit`a di Perugia b , Perugia, Italy M. Biasini a , b , G.M. Bilei a , D. Ciangottini a , b , L. Fan `o a , b , P. Lariccia a , b , R. Leonardi a , b , E. Manoni a ,G. Mantovani a , b , V. Mariani a , b , M. Menichelli a , A. Rossi a , b , A. Santocchia a , b , D. Spiga a INFN Sezione di Pisa a , Universit`a di Pisa b , Scuola Normale Superiore di Pisa c , Pisa, Italy K. Androsov a , P. Azzurri a , G. Bagliesi a , V. Bertacchi a , c , L. Bianchini a , T. Boccali a , R. Castaldi a ,M.A. Ciocci a , b , R. Dell’Orso a , S. Donato a , G. Fedi a , L. Giannini a , c , A. Giassi a , M.T. Grippo a ,F. Ligabue a , c , E. Manca a , c , G. Mandorli a , c , A. Messineo a , b , F. Palla a , A. Rizzi a , b , G. Rolandi ,S. Roy Chowdhury, A. Scribano a , P. Spagnolo a , R. Tenchini a , G. Tonelli a , b , N. Turini, A. Venturi a ,P.G. Verdini a1
INFN Sezione di Genova a , Universit`a di Genova b , Genova, Italy M. Bozzo a , b , F. Ferro a , R. Mulargia a , b , E. Robutti a , S. Tosi a , b INFN Sezione di Milano-Bicocca a , Universit`a di Milano-Bicocca b , Milano, Italy A. Benaglia a , A. Beschi a , b , F. Brivio a , b , V. Ciriolo a , b ,16 , M.E. Dinardo a , b , P. Dini a , S. Gennai a ,A. Ghezzi a , b , P. Govoni a , b , L. Guzzi a , b , M. Malberti a , S. Malvezzi a , D. Menasce a , F. Monti a , b ,L. Moroni a , M. Paganoni a , b , D. Pedrini a , S. Ragazzi a , b , T. Tabarelli de Fatis a , b , D. Valsecchi a , b ,D. Zuolo a , b INFN Sezione di Napoli a , Universit`a di Napoli ’Federico II’ b , Napoli, Italy, Universit`a dellaBasilicata c , Potenza, Italy, Universit`a G. Marconi d , Roma, Italy S. Buontempo a , N. Cavallo a , c , A. De Iorio a , b , A. Di Crescenzo a , b , F. Fabozzi a , c , F. Fienga a ,G. Galati a , A.O.M. Iorio a , b , L. Lista a , b , S. Meola a , d ,16 , P. Paolucci a ,16 , B. Rossi a , C. Sciacca a , b ,E. Voevodina a , b INFN Sezione di Padova a , Universit`a di Padova b , Padova, Italy, Universit`a di Trento c ,Trento, Italy P. Azzi a , N. Bacchetta a , D. Bisello a , b , A. Boletti a , b , A. Bragagnolo a , b , R. Carlin a , b , P. Checchia a ,P. De Castro Manzano a , T. Dorigo a , U. Dosselli a , F. Gasparini a , b , U. Gasparini a , b , A. Gozzelino a ,S.Y. Hoh a , b , P. Lujan a , M. Margoni a , b , A.T. Meneguzzo a , b , J. Pazzini a , b , M. Presilla b ,P. Ronchese a , b , R. Rossin a , b , F. Simonetto a , b , A. Tiko a , M. Tosi a , b , M. Zanetti a , b , P. Zotto a , b ,G. Zumerle a , b INFN Sezione di Pavia a , Universit`a di Pavia b , Pavia, Italy A. Braghieri a , D. Fiorina a , b , P. Montagna a , b , S.P. Ratti a , b , V. Re a , M. Ressegotti a , b , C. Riccardi a , b ,P. Salvini a , I. Vai a , P. Vitulo a , b INFN Sezione di Perugia a , Universit`a di Perugia b , Perugia, Italy M. Biasini a , b , G.M. Bilei a , D. Ciangottini a , b , L. Fan `o a , b , P. Lariccia a , b , R. Leonardi a , b , E. Manoni a ,G. Mantovani a , b , V. Mariani a , b , M. Menichelli a , A. Rossi a , b , A. Santocchia a , b , D. Spiga a INFN Sezione di Pisa a , Universit`a di Pisa b , Scuola Normale Superiore di Pisa c , Pisa, Italy K. Androsov a , P. Azzurri a , G. Bagliesi a , V. Bertacchi a , c , L. Bianchini a , T. Boccali a , R. Castaldi a ,M.A. Ciocci a , b , R. Dell’Orso a , S. Donato a , G. Fedi a , L. Giannini a , c , A. Giassi a , M.T. Grippo a ,F. Ligabue a , c , E. Manca a , c , G. Mandorli a , c , A. Messineo a , b , F. Palla a , A. Rizzi a , b , G. Rolandi ,S. Roy Chowdhury, A. Scribano a , P. Spagnolo a , R. Tenchini a , G. Tonelli a , b , N. Turini, A. Venturi a ,P.G. Verdini a1 INFN Sezione di Roma a , Sapienza Universit`a di Roma b , Rome, Italy F. Cavallari a , M. Cipriani a , b , D. Del Re a , b , E. Di Marco a , M. Diemoz a , E. Longo a , b , P. Meridiani a ,G. Organtini a , b , F. Pandolfi a , R. Paramatti a , b , C. Quaranta a , b , S. Rahatlou a , b , C. Rovelli a ,F. Santanastasio a , b , L. Soffi a , b INFN Sezione di Torino a , Universit`a di Torino b , Torino, Italy, Universit`a del PiemonteOrientale c , Novara, Italy N. Amapane a , b , R. Arcidiacono a , c , S. Argiro a , b , M. Arneodo a , c , N. Bartosik a , R. Bellan a , b ,A. Bellora, C. Biino a , A. Cappati a , b , N. Cartiglia a , S. Cometti a , M. Costa a , b , R. Covarelli a , b ,N. Demaria a , B. Kiani a , b , F. Legger, C. Mariotti a , S. Maselli a , E. Migliore a , b , V. Monaco a , b ,E. Monteil a , b , M. Monteno a , M.M. Obertino a , b , G. Ortona a , b , L. Pacher a , b , N. Pastrone a ,M. Pelliccioni a , G.L. Pinna Angioni a , b , A. Romero a , b , M. Ruspa a , c , R. Salvatico a , b , V. Sola a ,A. Solano a , b , D. Soldi a , b , A. Staiano a , D. Trocino a , b INFN Sezione di Trieste a , Universit`a di Trieste b , Trieste, Italy S. Belforte a , V. Candelise a , b , M. Casarsa a , F. Cossutti a , A. Da Rold a , b , G. Della Ricca a , b ,F. Vazzoler a , b , A. Zanetti a Kyungpook National University, Daegu, Korea
B. Kim, D.H. Kim, G.N. Kim, J. Lee, S.W. Lee, C.S. Moon, Y.D. Oh, S.I. Pak, S. Sekmen, D.C. Son,Y.C. Yang
Chonnam National University, Institute for Universe and Elementary Particles, Kwangju,Korea
H. Kim, D.H. Moon, G. Oh
Hanyang University, Seoul, Korea
B. Francois, T.J. Kim, J. Park
Korea University, Seoul, Korea
S. Cho, S. Choi, Y. Go, S. Ha, B. Hong, K. Lee, K.S. Lee, J. Lim, J. Park, S.K. Park, Y. Roh, J. Yoo
Kyung Hee University, Department of Physics
J. Goh
Sejong University, Seoul, Korea
H.S. Kim
Seoul National University, Seoul, Korea
J. Almond, J.H. Bhyun, J. Choi, S. Jeon, J. Kim, J.S. Kim, H. Lee, K. Lee, S. Lee, K. Nam, M. Oh,S.B. Oh, B.C. Radburn-Smith, U.K. Yang, H.D. Yoo, I. Yoon
University of Seoul, Seoul, Korea
D. Jeon, J.H. Kim, J.S.H. Lee, I.C. Park, I.J Watson
Sungkyunkwan University, Suwon, Korea
Y. Choi, C. Hwang, Y. Jeong, J. Lee, Y. Lee, I. Yu
Riga Technical University, Riga, Latvia
V. Veckalns Vilnius University, Vilnius, Lithuania
V. Dudenas, A. Juodagalvis, A. Rinkevicius, G. Tamulaitis, J. Vaitkus
National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia
Z.A. Ibrahim, F. Mohamad Idris , W.A.T. Wan Abdullah, M.N. Yusli, Z. Zolkapli Universidad de Sonora (UNISON), Hermosillo, Mexico
J.F. Benitez, A. Castaneda Hernandez, J.A. Murillo Quijada, L. Valencia Palomo
Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico
H. Castilla-Valdez, E. De La Cruz-Burelo, I. Heredia-De La Cruz , R. Lopez-Fernandez,A. Sanchez-Hernandez Universidad Iberoamericana, Mexico City, Mexico
S. Carrillo Moreno, C. Oropeza Barrera, M. Ramirez-Garcia, F. Vazquez Valencia
Benemerita Universidad Autonoma de Puebla, Puebla, Mexico
J. Eysermans, I. Pedraza, H.A. Salazar Ibarguen, C. Uribe Estrada
Universidad Aut ´onoma de San Luis Potos´ı, San Luis Potos´ı, Mexico
A. Morelos Pineda
University of Montenegro, Podgorica, Montenegro
J. Mijuskovic , N. Raicevic University of Auckland, Auckland, New Zealand
D. Krofcheck
University of Canterbury, Christchurch, New Zealand
S. Bheesette, P.H. Butler
National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan
A. Ahmad, M. Ahmad, Q. Hassan, H.R. Hoorani, W.A. Khan, M.A. Shah, M. Shoaib, M. Waqas
AGH University of Science and Technology Faculty of Computer Science, Electronics andTelecommunications, Krakow, Poland
V. Avati, L. Grzanka, M. Malawski
National Centre for Nuclear Research, Swierk, Poland
H. Bialkowska, M. Bluj, B. Boimska, M. G ´orski, M. Kazana, M. Szleper, P. Zalewski
Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland
K. Bunkowski, A. Byszuk , K. Doroba, A. Kalinowski, M. Konecki, J. Krolikowski,M. Olszewski, M. Walczak Laborat ´orio de Instrumenta¸c˜ao e F´ısica Experimental de Part´ıculas, Lisboa, Portugal
M. Araujo, P. Bargassa, D. Bastos, A. Di Francesco, P. Faccioli, B. Galinhas, M. Gallinaro,J. Hollar, N. Leonardo, T. Niknejad, J. Seixas, K. Shchelina, G. Strong, O. Toldaiev, J. Varela
Joint Institute for Nuclear Research, Dubna, Russia
S. Afanasiev, P. Bunin, M. Gavrilenko, I. Golutvin, I. Gorbunov, A. Kamenev, V. Karjavine,A. Lanev, A. Malakhov, V. Matveev , P. Moisenz, V. Palichik, V. Perelygin, M. Savina,S. Shmatov, S. Shulha, N. Skatchkov, V. Smirnov, N. Voytishin, A. Zarubin
Petersburg Nuclear Physics Institute, Gatchina (St. Petersburg), Russia
L. Chtchipounov, V. Golovtcov, Y. Ivanov, V. Kim , E. Kuznetsova , P. Levchenko, V. Murzin,V. Oreshkin, I. Smirnov, D. Sosnov, V. Sulimov, L. Uvarov, A. Vorobyev Institute for Nuclear Research, Moscow, Russia
Yu. Andreev, A. Dermenev, S. Gninenko, N. Golubev, A. Karneyeu, M. Kirsanov, N. Krasnikov,A. Pashenkov, D. Tlisov, A. Toropin Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC‘Kurchatov Institute’, Moscow, Russia
V. Epshteyn, V. Gavrilov, N. Lychkovskaya, A. Nikitenko , V. Popov, I. Pozdnyakov,G. Safronov, A. Spiridonov, A. Stepennov, M. Toms, E. Vlasov, A. Zhokin Moscow Institute of Physics and Technology, Moscow, Russia
T. Aushev
National Research Nuclear University ’Moscow Engineering Physics Institute’ (MEPhI),Moscow, Russia
M. Chadeeva , P. Parygin, D. Philippov, E. Popova, V. Rusinov P.N. Lebedev Physical Institute, Moscow, Russia
V. Andreev, M. Azarkin, I. Dremin, M. Kirakosyan, A. Terkulov
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow,Russia
A. Baskakov, A. Belyaev, E. Boos, V. Bunichev, M. Dubinin , L. Dudko, A. Ershov, V. Klyukhin,O. Kodolova, I. Lokhtin, S. Obraztsov, M. Perfilov, V. Savrin Novosibirsk State University (NSU), Novosibirsk, Russia
A. Barnyakov , V. Blinov , T. Dimova , L. Kardapoltsev , Y. Skovpen Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’,Protvino, Russia
I. Azhgirey, I. Bayshev, S. Bitioukov, V. Kachanov, D. Konstantinov, P. Mandrik, V. Petrov,R. Ryutin, S. Slabospitskii, A. Sobol, S. Troshin, N. Tyurin, A. Uzunian, A. Volkov
National Research Tomsk Polytechnic University, Tomsk, Russia
A. Babaev, A. Iuzhakov, V. Okhotnikov
Tomsk State University, Tomsk, Russia
V. Borchsh, V. Ivanchenko, E. Tcherniaev
University of Belgrade: Faculty of Physics and VINCA Institute of Nuclear Sciences
P. Adzic , P. Cirkovic, M. Dordevic, P. Milenovic, J. Milosevic, M. Stojanovic Centro de Investigaciones Energ´eticas Medioambientales y Tecnol ´ogicas (CIEMAT),Madrid, Spain
M. Aguilar-Benitez, J. Alcaraz Maestre, A. ´Alvarez Fern´andez, I. Bachiller, M. Barrio Luna,CristinaF. Bedoya, J.A. Brochero Cifuentes, C.A. Carrillo Montoya, M. Cepeda, M. Cerrada,N. Colino, B. De La Cruz, A. Delgado Peris, J.P. Fern´andez Ramos, J. Flix, M.C. Fouz,O. Gonzalez Lopez, S. Goy Lopez, J.M. Hernandez, M.I. Josa, D. Moran, ´A. Navarro Tobar,A. P´erez-Calero Yzquierdo, J. Puerta Pelayo, I. Redondo, L. Romero, S. S´anchez Navas,M.S. Soares, A. Triossi, C. Willmott
Universidad Aut ´onoma de Madrid, Madrid, Spain
C. Albajar, J.F. de Troc ´oniz, R. Reyes-Almanza
Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnolog´ıas Espaciales deAsturias (ICTEA), Oviedo, Spain
B. Alvarez Gonzalez, J. Cuevas, C. Erice, J. Fernandez Menendez, S. Folgueras, I. Gonzalez Ca-ballero, J.R. Gonz´alez Fern´andez, E. Palencia Cortezon, V. Rodr´ıguez Bouza, S. Sanchez Cruz
Instituto de F´ısica de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain
I.J. Cabrillo, A. Calderon, B. Chazin Quero, J. Duarte Campderros, M. Fernandez, P.J. Fern´andez Manteca, A. Garc´ıa Alonso, G. Gomez, C. Martinez Rivero, P. Mar-tinez Ruiz del Arbol, F. Matorras, J. Piedra Gomez, C. Prieels, T. Rodrigo, A. Ruiz-Jimeno,L. Russo , L. Scodellaro, I. Vila, J.M. Vizan Garcia University of Colombo, Colombo, Sri Lanka
K. Malagalage
University of Ruhuna, Department of Physics, Matara, Sri Lanka
W.G.D. Dharmaratna, N. Wickramage
CERN, European Organization for Nuclear Research, Geneva, Switzerland
D. Abbaneo, B. Akgun, E. Auffray, G. Auzinger, J. Baechler, P. Baillon, A.H. Ball, D. Barney,J. Bendavid, M. Bianco, A. Bocci, P. Bortignon, E. Bossini, C. Botta, E. Brondolin, T. Camporesi,A. Caratelli, G. Cerminara, E. Chapon, G. Cucciati, D. d’Enterria, A. Dabrowski, N. Daci,V. Daponte, A. David, O. Davignon, A. De Roeck, M. Deile, M. Dobson, M. D ¨unser,N. Dupont, A. Elliott-Peisert, N. Emriskova, F. Fallavollita , D. Fasanella, S. Fiorendi,G. Franzoni, J. Fulcher, W. Funk, S. Giani, D. Gigi, K. Gill, F. Glege, L. Gouskos, M. Gruchala,M. Guilbaud, D. Gulhan, J. Hegeman, C. Heidegger, Y. Iiyama, V. Innocente, T. James, P. Janot,O. Karacheban , J. Kaspar, J. Kieseler, M. Krammer , N. Kratochwil, C. Lange, P. Lecoq,C. Lourenc¸o, L. Malgeri, M. Mannelli, A. Massironi, F. Meijers, S. Mersi, E. Meschi, F. Moortgat,M. Mulders, J. Ngadiuba, J. Niedziela, S. Nourbakhsh, S. Orfanelli, L. Orsini, F. Pantaleo ,L. Pape, E. Perez, M. Peruzzi, A. Petrilli, G. Petrucciani, A. Pfeiffer, M. Pierini, F.M. Pitters,D. Rabady, A. Racz, M. Rieger, M. Rovere, H. Sakulin, J. Salfeld-Nebgen, C. Sch¨afer, C. Schwick,M. Selvaggi, A. Sharma, P. Silva, W. Snoeys, P. Sphicas , J. Steggemann, S. Summers,V.R. Tavolaro, D. Treille, A. Tsirou, G.P. Van Onsem, A. Vartak, M. Verzetti, W.D. Zeuner Paul Scherrer Institut, Villigen, Switzerland
L. Caminada , K. Deiters, W. Erdmann, R. Horisberger, Q. Ingram, H.C. Kaestli, D. Kotlinski,U. Langenegger, T. Rohe, S.A. Wiederkehr ETH Zurich - Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland
M. Backhaus, P. Berger, N. Chernyavskaya, G. Dissertori, M. Dittmar, M. Doneg`a, C. Dorfer,T.A. G ´omez Espinosa, C. Grab, D. Hits, W. Lustermann, R.A. Manzoni, M.T. Meinhard,F. Micheli, P. Musella, F. Nessi-Tedaldi, F. Pauss, G. Perrin, L. Perrozzi, S. Pigazzini,M.G. Ratti, M. Reichmann, C. Reissel, T. Reitenspiess, B. Ristic, D. Ruini, D.A. Sanz Becerra,M. Sch ¨onenberger, L. Shchutska, M.L. Vesterbacka Olsson, R. Wallny, D.H. Zhu
Universit¨at Z ¨urich, Zurich, Switzerland
T.K. Aarrestad, C. Amsler , D. Brzhechko, M.F. Canelli, A. De Cosa, R. Del Burgo,B. Kilminster, S. Leontsinis, V.M. Mikuni, I. Neutelings, G. Rauco, P. Robmann, K. Schweiger,C. Seitz, Y. Takahashi, S. Wertz, A. Zucchetta National Central University, Chung-Li, Taiwan
T.H. Doan, C.M. Kuo, W. Lin, A. Roy, S.S. Yu
National Taiwan University (NTU), Taipei, Taiwan
P. Chang, Y. Chao, K.F. Chen, P.H. Chen, W.-S. Hou, Y.y. Li, R.-S. Lu, E. Paganis, A. Psallidas,A. Steen
Chulalongkorn University, Faculty of Science, Department of Physics, Bangkok, Thailand
B. Asavapibhop, C. Asawatangtrakuldee, N. Srimanobhas, N. Suwonjandee
C¸ ukurova University, Physics Department, Science and Art Faculty, Adana, Turkey
A. Bat, F. Boran, A. Celik , S. Cerci , S. Damarseckin , Z.S. Demiroglu, F. Dolek, C. Dozen , I. Dumanoglu, G. Gokbulut, EmineGurpinar Guler , Y. Guler, I. Hos , C. Isik, E.E. Kangal ,O. Kara, A. Kayis Topaksu, U. Kiminsu, G. Onengut, K. Ozdemir , S. Ozturk , A.E. Simsek,D. Sunar Cerci , U.G. Tok, S. Turkcapar, I.S. Zorbakir, C. Zorbilmez Middle East Technical University, Physics Department, Ankara, Turkey
B. Isildak , G. Karapinar , M. Yalvac Bogazici University, Istanbul, Turkey
I.O. Atakisi, E. G ¨ulmez, M. Kaya , O. Kaya , ¨O. ¨Ozc¸elik, S. Tekten, E.A. Yetkin Istanbul Technical University, Istanbul, Turkey
A. Cakir, K. Cankocak, Y. Komurcu, S. Sen Istanbul University, Istanbul, Turkey
B. Kaynak, S. Ozkorucuklu
Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkov,Ukraine
B. Grynyov
National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov, Ukraine
L. Levchuk
University of Bristol, Bristol, United Kingdom
E. Bhal, S. Bologna, J.J. Brooke, D. Burns , E. Clement, D. Cussans, H. Flacher, J. Goldstein,G.P. Heath, H.F. Heath, L. Kreczko, B. Krikler, S. Paramesvaran, B. Penning, T. Sakuma,S. Seif El Nasr-Storey, V.J. Smith, J. Taylor, A. Titterton Rutherford Appleton Laboratory, Didcot, United Kingdom
K.W. Bell, A. Belyaev , C. Brew, R.M. Brown, D.J.A. Cockerill, J.A. Coughlan, K. Harder,S. Harper, J. Linacre, K. Manolopoulos, D.M. Newbold, E. Olaiya, D. Petyt, T. Reis, T. Schuh,C.H. Shepherd-Themistocleous, A. Thea, I.R. Tomalin, T. Williams, W.J. Womersley Imperial College, London, United Kingdom
R. Bainbridge, P. Bloch, J. Borg, S. Breeze, O. Buchmuller, A. Bundock, GurpreetS-ingh CHAHAL , D. Colling, P. Dauncey, G. Davies, M. Della Negra, R. Di Maria, P. Everaerts,G. Hall, G. Iles, M. Komm, L. Lyons, A.-M. Magnan, S. Malik, A. Martelli, V. Milosevic,A. Morton, J. Nash , V. Palladino, M. Pesaresi, D.M. Raymond, A. Richards, A. Rose, E. Scott,C. Seez, A. Shtipliyski, M. Stoye, T. Strebler, A. Tapper, K. Uchida, T. Virdee , N. Wardle,D. Winterbottom, A.G. Zecchinelli, S.C. Zenz Brunel University, Uxbridge, United Kingdom
J.E. Cole, P.R. Hobson, A. Khan, P. Kyberd, C.K. Mackay, I.D. Reid, L. Teodorescu, S. Zahid
Baylor University, Waco, USA
K. Call, B. Caraway, J. Dittmann, K. Hatakeyama, C. Madrid, B. McMaster, N. Pastika, C. Smith
Catholic University of America, Washington, DC, USA
R. Bartek, A. Dominguez, R. Uniyal, A.M. Vargas Hernandez
The University of Alabama, Tuscaloosa, USA
A. Buccilli, S.I. Cooper, C. Henderson, P. Rumerio, C. West
Boston University, Boston, USA
A. Albert, D. Arcaro, Z. Demiragli, D. Gastler, C. Richardson, J. Rohlf, D. Sperka, I. Suarez,L. Sulak, D. Zou Brown University, Providence, USA
G. Benelli, B. Burkle, X. Coubez , D. Cutts, Y.t. Duh, M. Hadley, U. Heintz, J.M. Hogan ,K.H.M. Kwok, E. Laird, G. Landsberg, K.T. Lau, J. Lee, M. Narain, S. Sagir , R. Syarif, E. Usai,W.Y. Wong, D. Yu, W. Zhang University of California, Davis, Davis, USA
R. Band, C. Brainerd, R. Breedon, M. Calderon De La Barca Sanchez, M. Chertok, J. Conway,R. Conway, P.T. Cox, R. Erbacher, C. Flores, G. Funk, F. Jensen, W. Ko † , O. Kukral, R. Lander,M. Mulhearn, D. Pellett, J. Pilot, M. Shi, D. Taylor, K. Tos, M. Tripathi, Z. Wang, F. Zhang University of California, Los Angeles, USA
M. Bachtis, C. Bravo, R. Cousins, A. Dasgupta, A. Florent, J. Hauser, M. Ignatenko, N. Mccoll,W.A. Nash, S. Regnard, D. Saltzberg, C. Schnaible, B. Stone, V. Valuev
University of California, Riverside, Riverside, USA
K. Burt, Y. Chen, R. Clare, J.W. Gary, S.M.A. Ghiasi Shirazi, G. Hanson, G. Karapostoli,O.R. Long, M. Olmedo Negrete, M.I. Paneva, W. Si, L. Wang, S. Wimpenny, B.R. Yates, Y. Zhang
University of California, San Diego, La Jolla, USA
J.G. Branson, P. Chang, S. Cittolin, S. Cooperstein, N. Deelen, M. Derdzinski, R. Gerosa,D. Gilbert, B. Hashemi, D. Klein, V. Krutelyov, J. Letts, M. Masciovecchio, S. May, S. Padhi,M. Pieri, V. Sharma, M. Tadel, F. W ¨urthwein, A. Yagil, G. Zevi Della Porta
University of California, Santa Barbara - Department of Physics, Santa Barbara, USA
N. Amin, R. Bhandari, C. Campagnari, M. Citron, V. Dutta, M. Franco Sevilla, J. Incandela,B. Marsh, H. Mei, A. Ovcharova, H. Qu, J. Richman, U. Sarica, D. Stuart, S. Wang
California Institute of Technology, Pasadena, USA
D. Anderson, A. Bornheim, O. Cerri, I. Dutta, J.M. Lawhorn, N. Lu, J. Mao, H.B. Newman,T.Q. Nguyen, J. Pata, M. Spiropulu, J.R. Vlimant, S. Xie, Z. Zhang, R.Y. Zhu
Carnegie Mellon University, Pittsburgh, USA
M.B. Andrews, T. Ferguson, T. Mudholkar, M. Paulini, M. Sun, I. Vorobiev, M. Weinberg
University of Colorado Boulder, Boulder, USA
J.P. Cumalat, W.T. Ford, E. MacDonald, T. Mulholland, R. Patel, A. Perloff, K. Stenson,K.A. Ulmer, S.R. Wagner
Cornell University, Ithaca, USA
J. Alexander, Y. Cheng, J. Chu, A. Datta, A. Frankenthal, K. Mcdermott, J.R. Patterson,D. Quach, A. Ryd, S.M. Tan, Z. Tao, J. Thom, P. Wittich, M. Zientek
Fermi National Accelerator Laboratory, Batavia, USA
S. Abdullin, M. Albrow, M. Alyari, G. Apollinari, A. Apresyan, A. Apyan, S. Banerjee,L.A.T. Bauerdick, A. Beretvas, D. Berry, J. Berryhill, P.C. Bhat, K. Burkett, J.N. Butler, A. Canepa,G.B. Cerati, H.W.K. Cheung, F. Chlebana, M. Cremonesi, J. Duarte, V.D. Elvira, J. Freeman,Z. Gecse, E. Gottschalk, L. Gray, D. Green, S. Gr ¨unendahl, O. Gutsche, AllisonReinsvold Hall,J. Hanlon, R.M. Harris, S. Hasegawa, R. Heller, J. Hirschauer, B. Jayatilaka, S. Jindariani,M. Johnson, U. Joshi, T. Klijnsma, B. Klima, M.J. Kortelainen, B. Kreis, S. Lammel, J. Lewis,D. Lincoln, R. Lipton, M. Liu, T. Liu, J. Lykken, K. Maeshima, J.M. Marraffino, D. Mason,P. McBride, P. Merkel, S. Mrenna, S. Nahn, V. O’Dell, V. Papadimitriou, K. Pedro, C. Pena,G. Rakness, F. Ravera, L. Ristori, B. Schneider, E. Sexton-Kennedy, N. Smith, A. Soha,W.J. Spalding, L. Spiegel, S. Stoynev, J. Strait, N. Strobbe, L. Taylor, S. Tkaczyk, N.V. Tran,L. Uplegger, E.W. Vaandering, C. Vernieri, R. Vidal, M. Wang, H.A. Weber University of Florida, Gainesville, USA
D. Acosta, P. Avery, D. Bourilkov, A. Brinkerhoff, L. Cadamuro, V. Cherepanov, F. Errico,R.D. Field, S.V. Gleyzer, D. Guerrero, B.M. Joshi, M. Kim, J. Konigsberg, A. Korytov, K.H. Lo,K. Matchev, N. Menendez, G. Mitselmakher, D. Rosenzweig, K. Shi, J. Wang, S. Wang, X. Zuo
Florida International University, Miami, USA
Y.R. Joshi
Florida State University, Tallahassee, USA
T. Adams, A. Askew, S. Hagopian, V. Hagopian, K.F. Johnson, R. Khurana, T. Kolberg,G. Martinez, T. Perry, H. Prosper, C. Schiber, R. Yohay, J. Zhang
Florida Institute of Technology, Melbourne, USA
M.M. Baarmand, M. Hohlmann, D. Noonan, M. Rahmani, M. Saunders, F. Yumiceva
University of Illinois at Chicago (UIC), Chicago, USA
M.R. Adams, L. Apanasevich, R.R. Betts, R. Cavanaugh, X. Chen, S. Dittmer, O. Evdokimov,C.E. Gerber, D.A. Hangal, D.J. Hofman, C. Mills, T. Roy, M.B. Tonjes, N. Varelas, J. Viinikainen,H. Wang, X. Wang, Z. Wu
The University of Iowa, Iowa City, USA
M. Alhusseini, B. Bilki , K. Dilsiz , S. Durgut, R.P. Gandrajula, M. Haytmyradov,V. Khristenko, O.K. K ¨oseyan, J.-P. Merlo, A. Mestvirishvili , A. Moeller, J. Nachtman,H. Ogul , Y. Onel, F. Ozok , A. Penzo, C. Snyder, E. Tiras, J. Wetzel Johns Hopkins University, Baltimore, USA
B. Blumenfeld, A. Cocoros, N. Eminizer, A.V. Gritsan, W.T. Hung, S. Kyriacou, P. Maksimovic,J. Roskes, M. Swartz
The University of Kansas, Lawrence, USA
C. Baldenegro Barrera, P. Baringer, A. Bean, S. Boren, J. Bowen, A. Bylinkin, T. Isidori, S. Khalil,J. King, G. Krintiras, A. Kropivnitskaya, C. Lindsey, D. Majumder, W. Mcbrayer, N. Minafra,M. Murray, C. Rogan, C. Royon, S. Sanders, E. Schmitz, J.D. Tapia Takaki, Q. Wang, J. Williams,G. Wilson
Kansas State University, Manhattan, USA
S. Duric, A. Ivanov, K. Kaadze, D. Kim, Y. Maravin, D.R. Mendis, T. Mitchell, A. Modak,A. Mohammadi
Lawrence Livermore National Laboratory, Livermore, USA
F. Rebassoo, D. Wright
University of Maryland, College Park, USA
A. Baden, O. Baron, A. Belloni, S.C. Eno, Y. Feng, N.J. Hadley, S. Jabeen, G.Y. Jeng, R.G. Kellogg,A.C. Mignerey, S. Nabili, F. Ricci-Tam, M. Seidel, Y.H. Shin, A. Skuja, S.C. Tonwar, K. Wong
Massachusetts Institute of Technology, Cambridge, USA
D. Abercrombie, B. Allen, A. Baty, R. Bi, S. Brandt, W. Busza, I.A. Cali, M. D’Alfonso,G. Gomez Ceballos, M. Goncharov, P. Harris, D. Hsu, M. Hu, M. Klute, D. Kovalskyi, Y.-J. Lee,P.D. Luckey, B. Maier, A.C. Marini, C. Mcginn, C. Mironov, S. Narayanan, X. Niu, C. Paus,D. Rankin, C. Roland, G. Roland, Z. Shi, G.S.F. Stephans, K. Sumorok, K. Tatar, D. Velicanu,J. Wang, T.W. Wang, B. Wyslouch University of Minnesota, Minneapolis, USA
R.M. Chatterjee, A. Evans, S. Guts † , P. Hansen, J. Hiltbrand, Sh. Jain, Y. Kubota, Z. Lesko,J. Mans, M. Revering, R. Rusack, R. Saradhy, N. Schroeder, M.A. Wadud University of Mississippi, Oxford, USA
J.G. Acosta, S. Oliveros
University of Nebraska-Lincoln, Lincoln, USA
K. Bloom, S. Chauhan, D.R. Claes, C. Fangmeier, L. Finco, F. Golf, R. Kamalieddin,I. Kravchenko, J.E. Siado, G.R. Snow † , B. Stieger, W. Tabb State University of New York at Buffalo, Buffalo, USA
G. Agarwal, C. Harrington, I. Iashvili, A. Kharchilava, C. McLean, D. Nguyen, A. Parker,J. Pekkanen, S. Rappoccio, B. Roozbahani
Northeastern University, Boston, USA
G. Alverson, E. Barberis, C. Freer, Y. Haddad, A. Hortiangtham, G. Madigan, B. Marzocchi,D.M. Morse, T. Orimoto, L. Skinnari, A. Tishelman-Charny, T. Wamorkar, B. Wang,A. Wisecarver, D. Wood
Northwestern University, Evanston, USA
S. Bhattacharya, J. Bueghly, A. Gilbert, T. Gunter, K.A. Hahn, N. Odell, M.H. Schmitt, K. Sung,M. Trovato, M. Velasco
University of Notre Dame, Notre Dame, USA
R. Bucci, N. Dev, R. Goldouzian, M. Hildreth, K. Hurtado Anampa, C. Jessop, D.J. Karmgard,K. Lannon, W. Li, N. Loukas, N. Marinelli, I. Mcalister, F. Meng, Y. Musienko , R. Ruchti,P. Siddireddy, G. Smith, S. Taroni, M. Wayne, A. Wightman, M. Wolf, A. Woodard The Ohio State University, Columbus, USA
J. Alimena, B. Bylsma, L.S. Durkin, B. Francis, C. Hill, W. Ji, A. Lefeld, T.Y. Ling, B.L. Winer
Princeton University, Princeton, USA
G. Dezoort, P. Elmer, J. Hardenbrook, N. Haubrich, S. Higginbotham, A. Kalogeropoulos,S. Kwan, D. Lange, M.T. Lucchini, J. Luo, D. Marlow, K. Mei, I. Ojalvo, J. Olsen, C. Palmer,P. Pirou´e, D. Stickland, C. Tully
University of Puerto Rico, Mayaguez, USA
S. Malik, S. Norberg
Purdue University, West Lafayette, USA
A. Barker, V.E. Barnes, S. Das, L. Gutay, M. Jones, A.W. Jung, A. Khatiwada, B. Mahakud,D.H. Miller, G. Negro, N. Neumeister, C.C. Peng, S. Piperov, H. Qiu, J.F. Schulte, N. Trevisani,F. Wang, R. Xiao, W. Xie
Purdue University Northwest, Hammond, USA
T. Cheng, J. Dolen, N. Parashar
Rice University, Houston, USA
U. Behrens, K.M. Ecklund, S. Freed, F.J.M. Geurts, M. Kilpatrick, Arun Kumar, W. Li,B.P. Padley, R. Redjimi, J. Roberts, J. Rorie, W. Shi, A.G. Stahl Leiton, Z. Tu, A. Zhang
University of Rochester, Rochester, USA
A. Bodek, P. de Barbaro, R. Demina, J.L. Dulemba, C. Fallon, T. Ferbel, M. Galanti, A. Garcia-Bellido, O. Hindrichs, A. Khukhunaishvili, E. Ranken, R. Taus Rutgers, The State University of New Jersey, Piscataway, USA
B. Chiarito, J.P. Chou, A. Gandrakota, Y. Gershtein, E. Halkiadakis, A. Hart, M. Heindl,E. Hughes, S. Kaplan, I. Laflotte, A. Lath, R. Montalvo, K. Nash, M. Osherson, H. Saka, S. Salur,S. Schnetzer, S. Somalwar, R. Stone, S. Thomas
University of Tennessee, Knoxville, USA
H. Acharya, A.G. Delannoy, S. Spanier
Texas A&M University, College Station, USA
O. Bouhali , M. Dalchenko, M. De Mattia, A. Delgado, S. Dildick, R. Eusebi, J. Gilmore,T. Huang, T. Kamon , H. Kim, S. Luo, S. Malhotra, D. Marley, R. Mueller, D. Overton, L. Perni`e,D. Rathjens, A. Safonov Texas Tech University, Lubbock, USA
N. Akchurin, J. Damgov, F. De Guio, V. Hegde, S. Kunori, K. Lamichhane, S.W. Lee, T. Mengke,S. Muthumuni, T. Peltola, S. Undleeb, I. Volobouev, Z. Wang, A. Whitbeck
Vanderbilt University, Nashville, USA
S. Greene, A. Gurrola, R. Janjam, W. Johns, C. Maguire, A. Melo, H. Ni, K. Padeken, F. Romeo,P. Sheldon, S. Tuo, J. Velkovska, M. Verweij
University of Virginia, Charlottesville, USA
M.W. Arenton, P. Barria, B. Cox, G. Cummings, J. Hakala, R. Hirosky, M. Joyce, A. Ledovskoy,C. Neu, B. Tannenwald, Y. Wang, E. Wolfe, F. Xia
Wayne State University, Detroit, USA
R. Harr, P.E. Karchin, N. Poudyal, J. Sturdy, P. Thapa
University of Wisconsin - Madison, Madison, WI, USA
T. Bose, J. Buchanan, C. Caillol, D. Carlsmith, S. Dasu, I. De Bruyn, L. Dodd, C. Galloni,H. He, M. Herndon, A. Herv´e, U. Hussain, A. Lanaro, A. Loeliger, K. Long, R. Loveless,J. Madhusudanan Sreekala, D. Pinna, T. Ruggles, A. Savin, V. Sharma, W.H. Smith, D. Teague,S. Trembath-reichert † : Deceased1: Also at Vienna University of Technology, Vienna, Austria2: Also at IRFU, CEA, Universit´e Paris-Saclay, Gif-sur-Yvette, France3: Also at Universidade Estadual de Campinas, Campinas, Brazil4: Also at Federal University of Rio Grande do Sul, Porto Alegre, Brazil5: Also at UFMS, Nova Andradina, Brazil6: Also at Universidade Federal de Pelotas, Pelotas, Brazil7: Also at Universit´e Libre de Bruxelles, Bruxelles, Belgium8: Also at University of Chinese Academy of Sciences, Beijing, China9: Also at Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC‘Kurchatov Institute’, Moscow, Russia10: Also at Joint Institute for Nuclear Research, Dubna, Russia11: Also at Suez University, Suez, Egypt12: Now at British University in Egypt, Cairo, Egypt13: Also at Purdue University, West Lafayette, USA14: Also at Universit´e de Haute Alsace, Mulhouse, France15: Also at Erzincan Binali Yildirim University, Erzincan, Turkey16: Also at CERN, European Organization for Nuclear Research, Geneva, Switzerland17: Also at RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
18: Also at University of Hamburg, Hamburg, Germany19: Also at Brandenburg University of Technology, Cottbus, Germany20: Also at Institute of Physics, University of Debrecen, Debrecen, Hungary, Debrecen,Hungary21: Also at Institute of Nuclear Research ATOMKI, Debrecen, Hungary22: Also at MTA-ELTE Lend ¨ulet CMS Particle and Nuclear Physics Group, E ¨otv ¨os Lor´andUniversity, Budapest, Hungary, Budapest, Hungary23: Also at IIT Bhubaneswar, Bhubaneswar, India, Bhubaneswar, India24: Also at Institute of Physics, Bhubaneswar, India25: Also at Shoolini University, Solan, India26: Also at University of Hyderabad, Hyderabad, India27: Also at University of Visva-Bharati, Santiniketan, India28: Also at Isfahan University of Technology, Isfahan, Iran29: Now at INFN Sezione di Bari a , Universit`a di Bari b , Politecnico di Bari c , Bari, Italy30: Also at Italian National Agency for New Technologies, Energy and Sustainable EconomicDevelopment, Bologna, Italy31: Also at Centro Siciliano di Fisica Nucleare e di Struttura Della Materia, Catania, Italy32: Also at Scuola Normale e Sezione dell’INFN, Pisa, Italy33: Also at Riga Technical University, Riga, Latvia, Riga, Latvia34: Also at Malaysian Nuclear Agency, MOSTI, Kajang, Malaysia35: Also at Consejo Nacional de Ciencia y Tecnolog´ıa, Mexico City, Mexico36: Also at Warsaw University of Technology, Institute of Electronic Systems, Warsaw, Poland37: Also at Institute for Nuclear Research, Moscow, Russia38: Now at National Research Nuclear University ’Moscow Engineering Physics Institute’(MEPhI), Moscow, Russia39: Also at St. Petersburg State Polytechnical University, St. Petersburg, Russia40: Also at University of Florida, Gainesville, USA41: Also at Imperial College, London, United Kingdom42: Also at P.N. Lebedev Physical Institute, Moscow, Russia43: Also at California Institute of Technology, Pasadena, USA44: Also at Budker Institute of Nuclear Physics, Novosibirsk, Russia45: Also at Faculty of Physics, University of Belgrade, Belgrade, Serbia46: Also at Universit`a degli Studi di Siena, Siena, Italy47: Also at INFN Sezione di Pavia a , Universit`a di Pavia b , Pavia, Italy, Pavia, Italy48: Also at National and Kapodistrian University of Athens, Athens, Greece49: Also at Universit¨at Z ¨urich, Zurich, Switzerland50: Also at Stefan Meyer Institute for Subatomic Physics, Vienna, Austria, Vienna, Austria51: Also at Burdur Mehmet Akif Ersoy University, BURDUR, Turkey52: Also at Adiyaman University, Adiyaman, Turkey53: Also at S¸ ırnak University, Sirnak, Turkey54: Also at Department of Physics, Tsinghua University, Beijing, China, Beijing, China55: Also at Beykent University, Istanbul, Turkey, Istanbul, Turkey56: Also at Istanbul Aydin University, Application and Research Center for Advanced Studies(App. & Res. Cent. for Advanced Studies), Istanbul, Turkey57: Also at Mersin University, Mersin, Turkey58: Also at Piri Reis University, Istanbul, Turkey59: Also at Gaziosmanpasa University, Tokat, Turkey60: Also at Ozyegin University, Istanbul, Turkey61: Also at Izmir Institute of Technology, Izmir, Turkey1