The Transition Radiation Detector for ALICE at LHC

Details The Transition Radiation Detector for ALICE at LHC The Transition Radiation Detector for ALICE at LHC

2009-07-20

arxiv.org/abs/0907.3380v2

Nucl.Phys.A830:535c-538c,2009

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 6 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee

Scientific paper

10.1016/j.nuclphysa.2009.10.047

The Transition Radiation Detector (TRD) for the ALICE experiment at the Large Hadron Collider (LHC) identifies electrons in p+p and in the challenging high multiplicity environment of heavy-ion collisions and provides fast online tracking for the ALICE Level1 trigger. The TRD is designed to have excellent position resolution and pion rejection capability. Presently, six of the 18 TRD supermodules are installed in the ALICE central barrel. In 2008, four supermodules were installed and commissioning of the detector using cosmic ray tracks was successfully performed. We briefly describe the design of the detector and report on the performance and current understanding of the detector based on these data.

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