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SUMMARY:Design and performance of a prototype gaseous beam monitor with GE
 M and pixel sensors for the CSR external-target experiment
DTSTART;VALUE=DATE-TIME:20241024T143000Z
DTEND;VALUE=DATE-TIME:20241024T144500Z
DTSTAMP;VALUE=DATE-TIME:20260720T013433Z
UID:indico-contribution-4250@cern.ch
DESCRIPTION:Speakers: Hulin Wang (Central China Normal University)\nA gase
 ous beam monitor utilizing gas electron multiplier (GEM) and pixel sensors
  is being developed for the Cooling Storage Ring (CSR) external-target exp
 eriment (CEE) at Heavy Ion Research Facility in Lanzhou (HIRFL). The beam 
 monitor is mainly used to track each beam particle\, providing an accurate
  reconstruction of the primary vertex of the collision. Two generations of
  the pixel sensors (named Topmetal-CEE) were produced\, with the second ge
 neration having much-improved noise performance over the first one. The re
 adout electronics includes two chip carrier cards\, two front-end cards\, 
 and a readout and control unit. This talk presents the design and performa
 nce of two prototype detectors\, featuring two generations of the pixel se
 nsors\, respectively. In particular\, the results of the tests with heavy-
 ion beams and laser beams are presented\, showing a spatial resolution of 
 better than 50 $\\mu$m and a time resolution of better than 15 ns. The stu
 dies demonstrate that the spatial and time resolution of the prototype sat
 isfies the design specifications.\n\nhttps://indico.particle.mephi.ru/even
 t/436/contributions/4250/
LOCATION: Moskvorechye 1
URL:https://indico.particle.mephi.ru/event/436/contributions/4250/
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