期刊
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
卷 65, 期 7, 页码 1416-1423出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2018.2846403
关键词
Chevron; gas detector; gas electron multiplier (GEM); MPGP; readout; time projection chamber (TPC); zigzag
资金
- U.S. Department of Energy [DE-SC0012704]
New design studies have been carried out for a readout plane for gas electron multiplier detectors using zigzag patterns that can significantly reduce the readout channel count while preserving excellent spatial resolution for tracking detectors. While zigzag patterns have been used in a number of applications, these studies were designed to investigate the fundamental limits of charge sharing between the electrodes to optimize the spatial resolution and minimize the nonuniformities across the readout plane, while exploring the limits of manufacturing capabilities for producing the readout board. Simulation studies were carried out to optimize the readout electrode structure, and readout boards were produced with similar zigzag designs that were tested in the laboratory using a scanning X-ray source. These studies were aimed at developing a readout board for the new time projection chamber for the sPHENIX experiment at relativistic heave ion collider, but can readily be used in other applications, including various micropattern gas detectors, such as Micromegas.
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