Cherenkov light in ALICE: performance of the HMPID detector

被引：0

作者：

Molnar, L. ^{[1
]}

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

来源：

ASTROPARTICLE, PARTICLE, SPACE PHYSICS AND DETECTORS FOR PHYSICS APPLICATIONS | 2012年 / 7卷

关键词：

ALICE; HMPID; RICH; CsI photocathode;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The ALICE High Momentum Particle Identification detector (HMPID), a proximity focusing Ring Imaging Cherenkov counter, is the largest of its kind with the 11 m(2) CsI-based photon detector total area. The HMPID is designed and optimized for identification of charged pi, K, p and on a track-by-track basis in heavy-ion collisions at LHC energies. To achieve track-by-track identification, 3 sigma separation is required for pi/K and K/p in the momentum range of 1-3 GeV/c and 1.5-5 GeV/c respectively. The HMPID is part of the ALICE data taking since the first proton-proton collisions and was also successfully operated in the first heavy-ion run in 2010. In this talk, we present the detector performance at the present time and its evolution over the past two years of operation in the LHC environment.

引用

页码：874 / 879

页数：6

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