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New prototype multi-gap resistive plate chambers with long strips

2008/05/16 by Y. J. Sun, C. Li, M. Shao +30 · 1 citation
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #physics.ins-det

paper · pdf · doi:10.1016/j.nima.2008.05.042

published as Nucl.Instrum.Meth.A593:307-313,2008 · 9 pages, 13 figures, submitted to Nucl. Instr. and Meth. A

arxiv created 2008/05/16 · openalex publication_date 2008/06/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A new kind of Multi-gap Resistive Plate Chamber (MRPC) has been built for the large-area Muon Telescope Detector (MTD) for the STAR experiment at RHIC. These long read-out strip MRPCs (LMRPCs) have an active area of 87.0 x 17.0 cm2 and ten 250 um-thick gas gaps arranged as a double stack. Each read-out strip is 2.5 cm wide and 90 cm long. The signals are read-out at both ends of each strip. Cosmic ray tests indicate a time resolution of ~70 ps and a detection efficiency of greater than 95%. Beam tests performed at T963 at Fermilab indicate a time resolution of 60-70 ps and a spatial resolution of ~1 cm along the strip direction.

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