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Polarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV

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dc.contributor.authorAcharya, U.
dc.contributor.authorAdare, A.
dc.contributor.authorAidala, C.
dc.contributor.authorAjitanand, N. N.
dc.contributor.authorRiabov, V.
dc.contributor.authorSamsonov, V.
dc.contributor.authorTaranenko, A.
dc.contributor.authorРябов, Виктор Германович
dc.contributor.authorТараненко, Аркадий Владимирович
dc.date.accessioned2024-11-27T10:18:50Z
dc.date.available2024-11-27T10:18:50Z
dc.date.issued2020
dc.description.abstract© 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.The PHENIX experiment has measured the spin alignment for inclusive J/ψ→e+e- decays in proton-proton collisions at s=510 GeV at midrapidity. The angular distributions have been measured in three different polarization frames, and the three decay angular coefficients have been extracted in a full two-dimensional analysis. Previously, PHENIX saw large longitudinal net polarization at forward rapidity at the same collision energy. This analysis at midrapidity, complementary to the previous PHENIX results, sees no sizable polarization in the measured transverse momentum range of 0.0<pT<10.0 GeV/c. The results are consistent with a previous one-dimensional analysis at midrapidity at s=200 GeV. The transverse-momentum-dependent cross section for midrapidity J/ψ production has additionally been measured, and after comparison to world data, a simple logarithmic dependence of the cross section on s was found.
dc.identifier.citationPolarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV / Acharya, U. [et al.] // Physical Review D. - 2020. - 102. - № 7. - 10.1103/PhysRevD.102.072008
dc.identifier.doi10.1103/PhysRevD.102.072008
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevD.102.072008
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dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000582669600001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22637
dc.relation.ispartofPhysical Review D
dc.titlePolarization and cross section of midrapidity J /ψ production in p+p collisions at s =510 GeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue7
oaire.citation.volume102
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