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The ALICE Transition Radiation Detector: Construction, operation, and performance

Acharya, S
•
Adam, J
•
Adamova, D
altro
Zou, S
2018
  • journal article

Periodico
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Abstract
The Transition Radiation Detector (TRD) was designed and built to enhance the capabilities of the ALICE detector at the Large Hadron Collider (LHC). While aimed at providing electron identification and triggering, the TRD also contributes significantly to the track reconstruction and calibration in the central barrel of ALICE. In this paper the design, construction, operation, and performance of this detector are discussed. A pion rejection factor of up to 410 is achieved at a momentum of 1 GeV/ in p–Pb collisions and the resolution at high transverse momentum improves by about 40% when including the TRD information in track reconstruction. The triggering capability is demonstrated both for jet, light nuclei, and electron selection.
DOI
10.1016/j.nima.2017.09.028
WOS
WOS:000418525100013
Archivio
http://hdl.handle.net/11368/2917379
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85036470179
https://www.sciencedirect.com/science/article/pii/S0168900217309981
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/2917379/1/NIMA_881(2018)88-127.pdf
Soggetti
  • dE/dx

  • Electron-pion identif...

  • Fibre/foam sandwich r...

  • Ionisation energy lo

  • Multi-wire proportion...

  • Neural network

  • TR

  • Tracking

  • Transition radiation ...

  • Trigger

  • Xenon-based gas mixtu...

  • Nuclear and High Ener...

  • Instrumentation

Web of Science© citazioni
23
Data di acquisizione
Mar 27, 2024
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