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    Production of deuterons, tritons, 3 He nuclei, and their antinuclei in pp collisions at √s = 0.9, 2.76, and 7 TeV.

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    Authors
    ALICE Collaboration
    Barnby, Lee cc
    Affiliation
    STFC Daresbury Laboratory
    Issue Date
    2018-02-21
    
    Metadata
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    Abstract
    Invariant differential yields of deuterons and antideuterons in p p collisions at √ s = 0.9, 2.76 and 7 TeV and the yields of tritons, 3 He nuclei, and their antinuclei at √ s = 7 TeV have been measured with the ALICE detector at the CERN Large Hadron Collider. The measurements cover a wide transverse momentum ( p T ) range in the rapidity interval | y | < 0.5 , extending both the energy and the p T reach of previous measurements up to 3 GeV/ c for A = 2 and 6 GeV/ c for A = 3 . The coalescence parameters of (anti)deuterons and 3 ¯¯¯¯ He nuclei exhibit an increasing trend with p T and are found to be compatible with measurements in p A collisions at low p T and lower energies. The integrated yields decrease by a factor of about 1000 for each increase of the mass number with one (anti)nucleon. Furthermore, the deuteron-to-proton ratio is reported as a function of the average charged particle multiplicity at different center-of-mass energies.
    Citation
    ALICE Collaboration (2018) 'Production of deuterons, tritons, 3 He nuclei, and their antinuclei in pp collisions at √s = 0.9, 2.76, and 7 TeV.', Physical Review C, DOI: 10.1103/PhysRevC.97.024615
    Publisher
    APS Physics
    Journal
    Physical Review C
    URI
    http://hdl.handle.net/10545/622343
    DOI
    10.1103/PhysRevC.97.024615
    Additional Links
    https://journals.aps.org/prc/abstract/10.1103/PhysRevC.97.024615
    Type
    Article
    Language
    en
    ISSN
    24699985
    EISSN
    24699993
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevC.97.024615
    Scopus Count
    Collections
    Department of Electronics, Computing & Maths

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