Triple GEM performance in magnetic field

M. Alexeev,A. Amoroso,S. Bagnasco,R. Baldini Ferroli, I. Balossino, G. Bencivenni,M. Bertani,D. Bettoni,F. Bianchi,A. Bortone,A. Calcaterra, M. Capodiferro,V. Carassiti,S. Cerioni, J. Chai, W. Cheng, S. Chiozzi,G. Cibinetto,A. Cotta Ramusino, G. Cotto, F. Cossio,M. Da Rocha Rolo,F. De Mori, M. Destefanis,D. Domenici,J. Dong,F. Evangelisti,R. Farinelli, L. Fava, G. Felici, E. Fioravanti, L. Gaido, I. Garzia,M. Gatta,G. Giraudo,S. Gramigna, M. Greco,L. Lavezzi,C. Leng,H. Li,P. Li, S. Lusso,M. Maggiora,R. Malaguti,A. Mangoni,S. Marcello, M. Melchiorri, G. Mezzadri,G. Morello, M. Mignone, E. Pace,S. Pacetti,G. Papalino, B. Passalacqua, P. Patteri,A. Pelosi,M. Poli Lener,A. Rivetti, M. Savrié,M. Scodeggio, S. Sosio, S. Spataro,E. Tskhadadze,S. Verma,L. Yang,B. Wang, R.J. Weadon, J. Zhang

JOURNAL OF INSTRUMENTATION（2019）

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摘要

Performance of triple GEM prototypes in strong magnetic field has been evaluated by means of a muon beam at the H4 line of the SPS test area at CERN. Data have been reconstructed and analyzed offline with two reconstruction methods: the charge centroid and the micro-Time-Projection-Chamber exploiting the charge and the time measurement respectively. Depending on the combination of the particle incident angle and magnetic filed, there's always one of the two algorithms achieving a spatial resolution of 100-120 mu m.

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关键词

Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc),Particle tracking detectors (Gaseous detectors),Gaseous detectors

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