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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/c 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.

収録刊行物

  • Nuclear instruments & methods in physics research. Section A

    Nuclear instruments & methods in physics research. Section A (881), 88-127, 2018-02

    Elsevier

キーワード

各種コード

  • NII論文ID(NAID)
    120006399210
  • NII書誌ID(NCID)
    AA10529991
  • 本文言語コード
    ENG
  • 資料種別
    journal article
  • ISSN
    0168-9002
  • データ提供元
    IR 
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