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Measurements of Quarkonium Polarization and Production versus Charged-Particle Multiplicity in p plus p Collisions at root s=500 GeV in the STAR Experiment

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F16%3A00307450" target="_blank" >RIV/68407700:21340/16:00307450 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.nuclphysa.2016.03.029" target="_blank" >http://dx.doi.org/10.1016/j.nuclphysa.2016.03.029</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.nuclphysa.2016.03.029" target="_blank" >10.1016/j.nuclphysa.2016.03.029</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurements of Quarkonium Polarization and Production versus Charged-Particle Multiplicity in p plus p Collisions at root s=500 GeV in the STAR Experiment

  • Original language description

    We report on the J/psi production and polarization as a function of p(T) and x(T), measured via the dielectron decay channel at mid-rapidity in p+p collisions at root s = 500 GeV in the STAR experiment. The measured J/psi P-T spectrum is in agreement with NRQCD and CGC+NRQCD predictions, while the J/psi polarization shows a trend towards longitudinal polarization with increasing p(T). In addition, first measurements of the J/psi production as a function of charged-particle multiplicity are presented at root s = 500 GeV. A strong correlation between the J/psi yield and charged-particle multiplicity is observed with a hint of J/psi p(T) dependence.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BG - Nuclear, atomic and molecular physics, accelerators

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/EE2.3.30.0034" target="_blank" >EE2.3.30.0034: Support of inter-sectoral mobility and quality enhancement of research teams at Czech Technical University in Prague</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nuclear Physics A

  • ISSN

    0375-9474

  • e-ISSN

  • Volume of the periodical

    956

  • Issue of the periodical within the volume

    Dec

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    4

  • Pages from-to

    721-724

  • UT code for WoS article

    000385898600151

  • EID of the result in the Scopus database

    2-s2.0-84992026545