000 03297nlm1a2200421 4500
001 666965
005 20231030042055.0
035 _a(RuTPU)RU\TPU\network\38169
090 _a666965
100 _a20220209a2017 k y0engy50 ba
101 0 _aeng
_deng
102 _aNL
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aHigh purity 100 GeV electron identification with synchrotron radiation
_fV. E. Burtsev, D. A. Cooke, A. G. Chumakov [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 18 tit.]
330 _aIn high energy experiments such as active beam dump searches for rare decays and missing energy events, the beam purity is a crucial parameter. In this paper we present a technique to reject heavy charged particle contamination in the 100 GeV electron beam of the H4 beam line at CERN SPS. The method is based on the detection with BGO scintillators of the synchrotron radiation emitted by the electrons passing through a bending dipole magnet. A 100 GeV beam is used to test the method in the NA64 experiment resulting in a suppression factor of 10-5 while the efficiency for electron detection is 95%. The spectra and the rejection factors are in very good agreement with the Monte Carlo simulation. The reported suppression factors are significantly better than previously achieved.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
463 _tVol. 866
_v[P. 196-201]
_d2017
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _asynchrotron detector
610 1 _ahigh energy electron tagging
610 1 _ahadron rejection
701 1 _aBurtsev
_bV. E.
_cmathematician
_cSenior Lecturer of Tomsk Polytechnic University
_f1991-
_gVitaly Evgenjevich
_2stltpush
_3(RuTPU)RU\TPU\pers\38282
701 1 _aCooke
_bD. A.
_gDavid
701 1 _aChumakov
_bA. G.
_cphysicist
_claboratory assistant-researcher of Tomsk Polytechnic University
_f1992-
_gAleksandr Grigorjevich
_2stltpush
_3(RuTPU)RU\TPU\pers\41079
701 1 _aDusaev
_bR. R.
_cspecialist in the field of nuclear physics
_cEngineer of Tomsk Polytechnic University
_f1988-
_gRenat Ramilyevich
_2stltpush
_3(RuTPU)RU\TPU\pers\30972
701 1 _aLyubovitskiy (Lyubovitskij)
_bV. E.
_cphysicist
_cProfessor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences, Professor of the University of Tubingen (Germany)
_f1963-
_gValery Efimovich
_2stltpush
_3(RuTPU)RU\TPU\pers\33385
701 1 _aVasilishin
_bB. I.
_cengineer-physicist
_claboratory researcher at Tomsk Polytechnic University
_f1990-
_gBogdan Ivanovich
_2stltpush
_3(RuTPU)RU\TPU\pers\37572
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
_c20220209
_gRCR
856 4 _uhttps://doi.org/10.1016/j.nima.2017.05.028
942 _cCF