J. Turnau
Polish Academy of Sciences
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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
B. Andrieu; F. Brasse; N. Sahlmann; H.P. Wellisch; N. Huot; T. Carli; Y. Sirois; P. Ribarics; J. Feltesse; C. Vallée; S. Egli; H.B. Pyo; A. Nau; H.T. Blume; J. Duboc; P. Schacht; B. Delcourt; J. Zacek; R. Haydar; M. Vecko; U. Lenhardt; H. Kolanoski; L. Del Buono; T.P. Yiou; J. Turnau; M. Haguenauer; H. Jung; D. Lüers; M. Goldberg; W. Krasny
Results are presented on the energy calibration of the H1 liquid argon calorimeter modules with electrons from a test beam in the energy range of 3.7 GeV to 80 GeV. The method to determine the calibration for the Hl experiment from these measurements by the use of detailed simulations is described . Various systematic checks of this calibration are given. The calorimeter response is uniform in space within ±1% and linear with energy within ±1%. An average energy resolution of about 11.5%/ E [GeV] is achieved .
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
B. Andrieu; J. Bán; E. Barrelet; G. Bernardi; M. Besancon; E. Binder; H.T. Blume; K. Borras; V. Boudry; V. Brisson; A. Campbell; T. Carli; M. Colombo; C. Coutures; G. Cozzika; J. Cvach; M. David; L. Del Buono; B. Delcourt; M. Devel; P. Dingus; A. Drescher; J. Duboc; R. Ebbinghaus; S. Egli; J. Feltesse; Z.Y. Feng; W. Flauger; M. Flieser; K. Gamerdinger
Abstract The performances of the H1 liquid argon calorimeter modules for the energy measurements and identification of electrons are studied with test data taken at CERN in the energy range 5 to 166 GeV. Various electron identification estimators exploiting global or detailed shower characteristics are studied and compared. The usage of impact position measurements is also discussed. A best combination of robust shower estimators leads typically to π-misidentification probabilities in the range 1.5 to 5.0 × 10−3 at 30 GeV for 95% electron detection efficiency. This further reduces to ∼ 10−4 for these pions to be misidentified as electrons below 25 GeV.
arXiv: High Energy Physics - Experiment | 2015
Janusz Chwastowski; Antoni Cyz; Łukasz Fulek; Radosław Kycia; B. Pawlik; Rafał Sikora; J. Turnau
In this paper feasibility studies of the exclusive diffractive bremsstrahlung at RHIC energies are presented. The analysis exploits a simplified approach of the radiated photon and the scattered proton measurement. A brief discussion of possible backgrounds is given.
Physical Review D | 2017
Radosław Kycia; Piotr Lebiedowicz; Antoni Szczurek; J. Turnau
We consider exclusive multiperipheral production of four charged pions in proton-proton collisions at high energies with simultaneous exchange of three Pomerons/Reggeons. The amplitude(s) for the genuine
European Physical Journal C | 2016
Janusz Chwastowski; Sabina Czekierda; Radosław Kycia; R. Staszewski; J. Turnau; M. Trzebinski
2\ensuremath{\rightarrow}6
arXiv: High Energy Physics - Experiment | 2015
Janusz Chwastowski; L. Fulek; Radosław Kycia; Rafał Sikora; J. Turnau
process are written in the Regge approach. The calculation is performed with the help of the GenEx Monte Carlo code. Some corrections at low invariant masses in the two-body subsystems are necessary for application of the Regge formalism. We estimate the corresponding cross section and present differential distributions in rapidity, transverse momenta and two- and four-pion invariant masses. The cross section and the distributions depend on the value of the cutoff parameter of a form factor correcting amplitudes for off-shellness of
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