P. Pani
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Featured researches published by P. Pani.
Physics of the Dark Universe | 2015
J. Abdallah; H.M. Araújo; Alexandre Arbey; A. Ashkenazi; Alexander Belyaev; J. Berger; Celine Boehm; A. Boveia; A. J. Brennan; Jim J Brooke; O. L. Buchmueller; Matthew S. Buckley; Giorgio Busoni; Lorenzo Calibbi; S. Chauhan; Nadir Daci; Gavin Davies; Isabelle De Bruyn; Paul de Jong; Albert De Roeck; Kees de Vries; D. Del Re; Andrea De Simone; Andrea Di Simone; C. Doglioni; Matthew J. Dolan; Herbi K. Dreiner; John Ellis; Sarah Catherine Eno; E. Etzion
This document outlines a set of simplified models for dark matter and its interactions with Standard Model particles. It is intended to summarize the main characteristics that these simplified models have when applied to dark matter searches at the LHC, and to provide a number of useful expressions for reference. The list of models includes both s-channel and t-channel scenarios. For s-channel, spin-0 and spin-1 mediation is discussed, and also realizations where the Higgs particle provides a portal between the dark and visible sectors. The guiding principles underpinning the proposed simplified models are spelled out, and some suggestions for implementation are presented.
Journal of High Energy Physics | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; S. Bentvelsen; D. Berge; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; F.L. Linde; J. Mahlstedt
A bstractResults of a search for the electroweak associated production of charginos and next-to-lightest neutralinos, pairs of charginos or pairs of tau sleptons are presented. These processes are characterised by final states with at least two hadronically decaying tau leptons, missing transverse momentum and low jet activity. The analysis is based on an integrated luminosity of 20.3 fb−1 of proton-proton collisions at s=8
Physical Review D | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; S. Bentvelsen; D. Berge; E. Berglund; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; T. Lenz
Journal of High Energy Physics | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; S. Bentvelsen; D. Berge; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E.N. Koffeman; H. Lee; T. Lenz; F.L. Linde
\sqrt{s}=8
Physics Letters B | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; Stan Bentvelsen; D. Berge; E. Berglund; Gerjan Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; Auke-Pieter Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; T. Lenz
Journal of High Energy Physics | 2013
G. Aad; R. Aben; L. J. Beemster; S. Bentvelsen; E. Berglund; G. J. Bobbink; K. Bos; H. Boterenbrood; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; T. Lenz; F.L. Linde; J. Mahlstedt; J. Mechnich; I. Mussche
TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess is observed with respect to the predictions from Standard Model processes. Limits are set at 95% confidence level on the masses of the lighter chargino and next-to-lightest neutralino for various hypotheses for the lightest neutralino mass in simplified models. In the scenario of direct production of chargino pairs, with each chargino decaying into the lightest neutralino via an intermediate tau slepton, chargino masses up to 345 GeV are excluded for a massless lightest neutralino. For associated production of mass-degenerate charginos and next-to-lightest neutralinos, both decaying into the lightest neutralino via an intermediate tau slepton, masses up to 410 GeV are excluded for a massless lightest neutralino.
arXiv: High Energy Physics - Experiment | 2016
A. Boveia; William Shepherd; Francesco D'Eramo; Steven Worm; D. Salek; Lian-Tao Wang; Andrea De Simone; Kathryn Zurek; Valentin V. Khoze; Giorgio Busoni; Tristan Du Pree; Albert De Roeck; Matthew J. Dolan; Greg Landsberg; P. Harris; Stephen Mrenna; Steven Lowette; Kai Schmidt-Hoberg; Marie-Helene Genest; Jan Heisig; S. Malik; Suchita Kulkarni; V. Ippolito; Antonio Riotto; P. Pani
Results from a search for supersymmetry in events with four or more leptons including electrons, muons and taus are presented. The analysis uses a data sample corresponding to 20.3 fb−1 of proton-proton collisions delivered by the Large Hadron Collider at √ s = 8TeV and recorded by the ATLAS detector. Signal regions are designed to target supersymmetric scenarios that can be either enriched in or depleted of events involving the production of a Z boson. No significant deviations are observed in data from standard model predictions and results are used to set upper limits on the event yields from processes beyond the standard model. Exclusion limits at the 95% confidence level on the masses of relevant supersymmetric particles are obtained. In R-parity-violating simplified models with decays of the lightest supersymmetric particle to electrons and muons, limits of 1350 and 750 GeV are placed on gluino and chargino masses, respectively. In R-parity-conserving simplified models with heavy neutralinos decaying to a massless lightest supersymmetric particle, heavy neutralino masses up to 620 GeV are excluded. Limits are also placed on other supersymmetric scenarios. c
Physical Review D | 2014
G. Aad; R. Aben; L. J. Beemster; S. Bentvelsen; D. Berge; E. Berglund; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; P. O. Deviveiros; S. Dhaliwal; P. Ferrari; S. Gadatsch; D. A. A. Geerts; F. Hartjes; N. P. Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. S. Lee; T. Lenz; F. Linde
A bstractA search for squarks and gluinos in final states containing high-pT jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2012 by the ATLAS experiment in s=8
Journal of High Energy Physics | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; S. Bentvelsen; D. Berge; E. Berglund; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; T. Lenz
Journal of High Energy Physics | 2014
G. Aad; R. Aben; I. Angelozzi; L. J. Beemster; S. Bentvelsen; D. Berge; G. J. Bobbink; K. Bos; H. Boterenbrood; P. Butti; A. Castelli; A. P. Colijn; P. de Jong; L. De Nooij; I. Deigaard; C. Deluca; Pier-Olivier Deviveiros; S. Dhaliwal; P. Ferrari; Stefan Gadatsch; D. A. A. Geerts; F. Hartjes; Nigel Hessey; N. Hod; O. Igonkina; P. Kluit; E. Koffeman; H. Lee; F.L. Linde; J. Mahlstedt
\sqrt{s}=8