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Abstract:
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A large area time of flight (TOF ) detector based on multi -gap resistive plate chamber (MRPC ) technology has been developed for the STAR (Solenoidal Tracker at RHIC ) experiment at the Relativistic Heavy Ion Collider at the Brookhaven National Laboratory , New York . The TOF detector replaces STAR's Central Trigger Barrel detector with 120 trays , each with 32 MRPCs . Each MRPC has 6 channels . The TOF detector improves by a factor of about 2 STAR's particle identification reach in transverse momenta and enhances STARs physics research program . |