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

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    0486473 - ÚJF 2019 RIV NL eng J - Journal Article
    Acharya, S. - Adamová, Dagmar - Bielčík, J. - Bielčíková, Jana - Broz, M. - Contreras, J. G. - Ferencei, Jozef - Hladký, Jan - Horák, D. - Křížek, Filip - Kučera, Vít - Kushpil, Svetlana - Lavička, R. - Mareš, Jiří A. - Petráček, V. - Šumbera, Michal - Vaňát, Tomáš - Závada, Petr … Total 1116 authors
    The ALICE Transition Radiation Detector: Construction, operation, and performance.
    Nuclear Instruments & Methods in Physics Research Section A. Roč. 881, č. 2 (2018), s. 88-127. ISSN 0168-9002. E-ISSN 1872-9576
    R&D Projects: GA MŠMT(CZ) LG15052
    Institutional support: RVO:68378271 ; RVO:61389005
    Keywords : fibre/foam sendwich radiator * transition radiation detector * multi-wire proportional drift chamber * Xenon-based gas micture * tracking * lonisation energy loss
    OECD category: Nuclear physics; Particles and field physics (FZU-D)
    Impact factor: 1.433, year: 2018

    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.
    Permanent Link: http://hdl.handle.net/11104/0281352

     
     
Number of the records: 1  

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