PHENIX Time-of-Flight System

Akio Kiyomichi and Sachiko Urasawa
for PHENIX-TOF group
Institute of Physics, University of Tsukuba

Development of TOF Counter for PHENIX
Designed time resolution to be 80ps, enable to separate Pion from Kaon up to 2.4GeV/c in 4 sigma.
TOF operation at WA98
Overall time resolution of 85ps was acheved in WA98
Development of TOF Calibration System
UV pulse laser light is distributed to 1056 TOF slats through pure silicon fibers.
Time resolution of 50ps is achieved.
Development of TOF Counter for PHENIX
TOF operation at WA98
Development of TOF Calibration System
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page 7, 8
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page 10 - 12
qm97_phxtof.pdf
qm97_calib_whole.pdf
qm97_calib_testserup.pdf
qm97_calib_plot.pdf
 qm97_phxtof.ps.gz
qm97_calib_whole.ps.gz
qm97_calib_testserup.ps.gz
qm97_calib_plot.ps.gz
Akio Kiyomichi (kiyo@tac.tsukuba.ac.jp)
Sachiko Urasawa (urasawa@tac.tsukuba.ac.jp)