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KMID : 0364920110360010035
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Journal of Radiation Protection and Research
2011 Volume.36 No. 1 p.35 ~ p.43
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Development and Evaluation of the Muon Trigger Detector using a Resistive Plate Chamber
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Park Byeong-Hyeon
Kim Yong-Kyun
Kang Jeong-Soo
Kim Young-Jin
Choi Ihn-Jea
Kim Chong
Hong Byung-Sik
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Abstract
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The PHENIX Experiment is the largest of the four experiments that have taken data at the Relativistic Heavy Ion Collider. PHENIX, the Pioneering High Energy Nuclear Interaction eXperiment, is designed specifically to measure direct probes of the collisions such as electrons, muons, and photons. The primary goal of PHENIX is to discover and study a new state of matter called the Quark-Gluon Plasma. Among many particles, muons coming from W-boson decay gives us key information to analyze the spin of proton. Resistive plate chambers are proposed as a suitable solution as a muon trigger because of their fast response and good time resolution, flexibility in signal readout, robustness and the relatively low cost of production. The RPC detectors for upgrade were assembled and their performances were evaluated. The procedure to make the detectors better was optimized and described in detail in this thesis. The code based on ROOT was written and by using this the performance of the detectors made was evaluated, and all of the modules for north muon arm met the criteria and installation at PHENIX completed in November 2009. As RPC detectors that we made showed fast response, capacity of covering wide area with a resonable price and good spatial resolution , this will give the opportunity for applications, such as diagnosis and customs inspection system.
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KEYWORD
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Resistive Plate Chamber, PHENIX, Muon Detector, Cosmic Ray, Fast Response, RPC Detector
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