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Measurement of K.sup.0./sup..sub.S./sub. and K.sup.∗./sup..sub.0./sub. in p+p, d+Au, and Cu+Cu collisions at √s.sub.NN./sub.=200 GeV

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    SYSNO ASEP0522653
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleMeasurement of K0S and K0 in p+p, d+Au, and Cu+Cu collisions at √sNN=200 GeV
    Author(s) Adare, A. (US)
    Afanasiev, S. (RU)
    Ajitanand, N.N. (US)
    Kubart, J. (CZ)
    Mašek, L. (CZ)
    Mikeš, P. (CZ)
    Růžička, Pavel (FZU-D)
    Tomášek, Lukáš (FZU-D) RID, ORCID
    Vrba, Václav (FZU-D) RID
    Number of authors589
    Article number054905
    Source TitlePhysical Review C - ISSN 2469-9985
    Roč. 90, č. 5 (2014), s. 1-18
    Number of pages18 s.
    Languageeng - English
    CountryUS - United States
    KeywordsBrookhaven RHIC Coll ; K0(S) --> 2pi0 ; K*(892)0 --> K+ pi ; 200 GeV-cms/nucleon ; experimental results
    Subject RIVBF - Elementary Particles and High Energy Physics
    OBOR OECDParticles and field physics
    Způsob publikováníOmezený přístup
    Institutional supportFZU-D - RVO:68378271
    UT WOS000345253400003
    EID SCOPUS84911214672
    AnnotationThe PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K*0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at sNN=200 GeV. The KS0 and K*0 mesons are reconstructed via their KS0→π0(→γγ)π0(→γγ) and K*0→K±π∓ decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K*0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K*0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions.
    WorkplaceInstitute of Physics
    ContactKristina Potocká,, Tel.: 220 318 579
    Year of Publishing2020
    Electronic address
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