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Angular decay coefficients of J/psi mesons at forward rapidity from p plus p collisions at root s=510 GeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10369192" target="_blank" >RIV/00216208:11320/17:10369192 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevD.95.092003" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.95.092003</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.95.092003" target="_blank" >10.1103/PhysRevD.95.092003</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Angular decay coefficients of J/psi mesons at forward rapidity from p plus p collisions at root s=510 GeV

  • Original language description

    We report the first measurement of the full angular distribution for inclusive J/psi -&gt; mu(+)mu(-) decays in p + p collisions at root s = 510 GeV. The measurements are made for J/psi transverse momentum 2 &lt; p(T) &lt; 10 GeV /c and rapidity 1.2 &lt; y &lt; 2.2 in the Helicity, Collins-Soper, and Gottfried-Jackson reference frames. In all frames the polar coefficient lambda theta is strongly negative at low p(T) and becomes close to zero at high p(T), while the azimuthal coefficient lambda phi is close to zero at low p(T), and becomes slightly negative at higher p(T). The frame-independent coefficient lambda is strongly negative at all p(T) in all frames. The data are compared to the theoretical predictions provided by nonrelativistic quantum chromodynamics models.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10304 - Nuclear physics

Result continuities

  • Project

    <a href="/en/project/LG15001" target="_blank" >LG15001: Participation of the Czech Republic in experiments at Brookhaven National Laboratory, USA</a><br>

  • Continuities

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

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physical Review D

  • ISSN

    2470-0010

  • e-ISSN

  • Volume of the periodical

    95

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    13

  • Pages from-to

  • UT code for WoS article

    000401231900001

  • EID of the result in the Scopus database