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	Performance study of a GEM-TPC prototype using cosmic rays
	Li, Yulan ; Qi, Huirong ; Li, Jin ; Gao, Yuanning ; Li, Yuanjing ; Yang, Zhenwei ; Fujii, Keisuke ; Matsuda, Takeshi
	2010-05-10 ; 2010-05-10
关键词	Time projection chamber Gas electron multiplier Spatial resolution Instruments & Instrumentation Nuclear Science & Technology Physics, Particles & Fields Spectroscopy
中文摘要	Time projection chambers (TPCs) have been successfully used as the central tracking devices in a number of high-energy physics experiments. However, the performance requirements on TPCs for future high-energy physics experiments greatly exceed the abilities of traditional TPCs read out by multi-wire proportional chambers (MWPCs). Micro-pattern gas detectors (MPGDs), such as gas electron multipliers (GEMS) or micromegas, have great potential to improve TPC performance when used as readout detectors. In order to evaluate its feasibility, a GEM-based TPC prototype with a drift length up to 50 cm was designed. Measurements of the spatial resolution of cosmic-ray tracks without and with a magnetic field (B = 1 T) are presented. A very good performance is achieved, matching the analytic formula for the spatial resolution of a MPGD-readout TPC. A dedicated study shows that the increase of GEM detector gain can improve the TPC's spatial resolution. (C) 2008 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22298]
专题	清华大学
推荐引用方式 GB/T 7714	Li, Yulan,Qi, Huirong,Li, Jin,et al. Performance study of a GEM-TPC prototype using cosmic rays[J],2010, 2010.
APA	Li, Yulan.,Qi, Huirong.,Li, Jin.,Gao, Yuanning.,Li, Yuanjing.,...&Matsuda, Takeshi.(2010).Performance study of a GEM-TPC prototype using cosmic rays..
MLA	Li, Yulan,et al."Performance study of a GEM-TPC prototype using cosmic rays".(2010).

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