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001 667014
005 20231030042056.0
035 _a(RuTPU)RU\TPU\network\38218
090 _a667014
100 _a20220211d2021 k y0engy50 ba
101 0 _aeng
102 _aGB
135 _avrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aElectron and photon reconstruction and identification with the CMS experiment at the CERN LHC
_fV. Khachatryan, A. M. Sirunyan, A. R. Tumasyan [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 60 tit.]
330 _aThe performance is presented of the reconstruction and identification algorithms for electrons and photons with the CMS experiment at the LHC. The reported results are based on proton-proton collision data collected at a center-of-mass energy of 13 TeV and recorded in 2016–2018, corresponding to an integrated luminosity of 136 fb^-1. Results obtained from lead-lead collision data collected at v(sNN)=5.02 TeV are also presented. Innovative techniques are used to reconstruct the electron and photon signals in the detector and to optimize the energy resolution. Events with electrons and photons in the final state are used to measure the energy resolution and energy scale uncertainty in the recorded events. The measured energy resolution for electrons produced in Z boson decays in proton-proton collision data ranges from 2 to 5%, depending on electron pseudorapidity and energy loss through bremsstrahlung in the detector material. The energy scale in the same range of energies is measured with an uncertainty smaller than 0.1 (0.3)% in the barrel (endcap) region in proton-proton collisions and better than 1 (3)% in the barrel (endcap) region in heavy ion collisions. The timing resolution for electrons from Z boson decays with the full 2016–2018 proton-proton collision data set is measured to be 200 ps.
461 1 _0(RuTPU)RU\TPU\network\25113
_tJournal of Instrumentation
463 _tVol. 16, iss. 5
_v[P05014, 79 p.]
_d2021
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _alarge detector systems for particle and astroparticle physics
610 1 _aparticle identification methods
701 1 _aSirunyan
_bA. M.
701 1 _aTumasyan
_bA. R.
701 1 _aAdam
_bW.
_gWolfgang
701 1 _aTyurin
_bN. E.
_gNikolay Evgenjevich
701 1 _aBabaev
_bA. A.
_cphysicist
_cengineer-issledovatelskogo Polytechnic University, candidate of physical and mathematical Sciences
_f1981-
_gAnton Anatoljevich
_2stltpush
_3(RuTPU)RU\TPU\pers\35154
701 1 _aOkhotnikov
_bV. V.
_cphysicist
_cengineer of Tomsk Polytechnic University
_f1992-
_gVitaly Vladimirovich
_2stltpush
_3(RuTPU)RU\TPU\pers\36453
701 1 _aSukhikh
_bL. G.
_cphysicist
_cAssociate Professor of Tomsk Polytechnic University, Doctor of Sciences
_f1984-
_gLeonid Grigorievich
_2stltpush
_3(RuTPU)RU\TPU\pers\31554
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИсследовательская школа физики высокоэнергетических процессов
_c(2017- )
_h8118
_2stltpush
_3(RuTPU)RU\TPU\col\23551
801 2 _aRU
_b63413507
_c20220819
_gRCR
856 4 _uhttp://earchive.tpu.ru/handle/11683/72780
856 4 _uhttps://doi.org/10.1088/1748-0221/16/05/P05014
942 _cCF