The VHMPID RICH Upgrade Project for ALICE at LHC
Nuclear instruments and methods in physics research Section A, Accelerators, spectrometers, detectors and associated equipment/Nuclear instruments & methods in physics research Section A, Accelerators, spectrometers, detectors and associated equipment（2011）
摘要
RHIC results have shown the importance of high momentum particles as hard probes and the need for particle identification (PID) in a very large momentum range. A Very High Momentum PID (VHMPID) detector has been proposed as upgrade of ALICE to extend the track-by-track identification capabilities for charged hadrons from the present 5 GeV/c limit to the momentum range 10–30 GeV/c. The VHMPID detector is a focusing RICH using C4F10 gaseous radiator coupled to a CsI-based photon detector. Detector design studies, achievable Cherenkov angle resolution, expected performance and high momentum triggering will be discussed.
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