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Wang, Y.; Chen, H.S.; Ding, W.C.; Qiu, X.Z.; Wang, J.B.; Zhu, X.L.; Kang, K.J.; Cheng, J.P.; Li, Y.J.; Ruan, L.; Xu, Z.; Asselta, K.; Christie, W.; D'Agostino, C.; Dunlop, J.; Landgraf, J.; Ljubicic, T.; Scheblein, J.; Soja, R.; Tang, A.H.; Ullrich, T.; Crawford, H.J.; Engelage, J.; Calderon de la Barca Sanchez, M.; Reed, R.; Liu, H.D.; Butterworth, J.; Eppley, G.; Geurts, F.; Llope, W.J.; McDonald, D.; Nussbaum, T.; Roberts, J.; Xin, K.; Bridges, L.; Li, J.C.; Qian, S.; Ning, Z.; Chen, H.F.; Huang, B.C.; Li, C.; Shao, M.; Sun, Y.J.; Tang, Z.B.; Wang, X.L.; Xu, Y.C.; Zhang, Z.P.; Zeng, H.; Zhou, Y.; Clarke, R.; Mioduszewski, S.; Davila, A.; Hoffmann, G.W.; Li, L.; Markert, C.; Ray, L.; Schambach, J.; Thein, D.; Wada, M.; Ahammed, Z.; Bhaduri, P.P.; Chattopadhyay, S.; Dubey, A.K.; Dutt-Mazumdar, M.R.; Ghosh, P.; Khan, S.A.; Muhuri, S.; Mohanty, B.; Nayak, T.K.; Pal, S.; Singaraju, R.; Singhal, V.; Tribedy, P.; Viyogi, Y.P.
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 06/2011, Letnik: 640, Številka: 1Journal Article
A new prototype of a Long-Strip Multi-Gap Resistive Plate Chamber (LMRPC) for the STAR Muon Telescope Detector (MTD) at RHIC has been developed. This prototype has an active area of 52×90 cm 2 and consists of six 250 μm wide gaps. Each detector has 12 strips, read-out at both ends, which are each 3.8 cm wide and 90 cm long with 0.6 cm intervals. In cosmic-ray tests, the efficiency was larger than 95% and the time resolution was ∼75 ps for the 94% Freon, 5% iso-butane, and 1% SF 6 gas mixture. There was good uniformity in the performance across the different strips. The module was also tested in a proton beam at IHEP in Beijing. The efficiency was close to 100% and the best timing resolution achieved was 55 ps for the 90% Freon, 5% iso-butane, and 5% SF 6 gas mixture. Trigger scans along and across the strip direction were also performed.
