The Calibration Method of TOFr in the STAR Experiment |
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Authors: | RUAN Li-Juan WU Jian DONG Xin SHAO Ming CHEN Hong-Fang WANG Xiao-Lian LI Cheng HUANG Sheng-Li |
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Affiliation: | Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China |
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Abstract: | a tray of time of flight detector based on mrPc technology took part in the physics run of star both in p+p and d+au collisions in 2003. together with the information from the time Projection chamber(tPc) and the pseudo–vertex Position detector (pvPd) of the star experiment,corrections are done to calibrate the new prototype tof. the intrinsic time resolution of tofr reaches 85ps and it extends the π/K and K/p separation up to 1.6gev/c and 3.0gev/c respectively. |
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