Performance of the NOMAD transition radiation detector

被引:30
作者
Bassompierre, G
Bunyatov, S
Fazio, T
Gaillard, JM
Gouanere, M
Manola-Poggioli, E
Mossuz, L
Mendiburu, JP
Nedelec, P
Nefedov, Y
Pessard, H
Sillou, D
Valuev, V
Verkindt, D
机构
[1] CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, F-74019 Annecy Le Vieux, France
[2] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
关键词
transition radiation; electron identification; pion rejection; neutrino oscillations;
D O I
10.1016/S0168-9002(98)00105-3
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The NOMAD experiment includes a transition radiation detector that provides a 10(3) pion rejection factor, for a 90% electron identification efficiency. Such a rejection factor is required in the search for v(mu) --> v(tau) oscillations in the tau electron decay channel and in the search for v(mu) --> v(c) oscillations. Algorithms used for the electron-pion discrimination and results obtained on the data are described. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:63 / 74
页数:12
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