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J/psi and psi(2S) production at forward rapidity in p plus p collisions at root s=510 GeV

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dc.contributor.authorAcharya, U. A.
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.accessioned2024-11-25T17:32:45Z
dc.date.available2024-11-25T17:32:45Z
dc.date.issued2020
dc.description.abstractThe PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive J/psi, and cross section ratio of psi(2S) to J/psi at forward rapidity in p + p collisions at root s = 510 GeV via the dimuon decay channel. Comparison is made to inclusive J/psi cross sections measured at root s = 200 GeV and 2.76-13 TeV. The result is also compared to leading-order nonrelativistic QCD calculations coupled to a color-glass-condensate description of the low-x gluons in the proton at low transverse momentum (p(T)) and to next-to-leading order nonrelativistic QCD calculations for the rest of the p(T) range. These calculations overestimate the data at low p(T). While consistent with the data within uncertainties above approximate to 3 GeV/c, the calculations are systematically below the data. The total cross section times the branching ratio is BR d sigma(J/)(psi)(pp) / dy(1.2 < vertical bar y vertical bar < 2.2,0 < p(T) < 10 GeV/c) = 54.3 +/- 0.5(stat) +/- 5.5(syst) nb.
dc.identifier.citationJ/psi and psi(2S) production at forward rapidity in p plus p collisions at root s=510 GeV / Acharya, UA [et al.] // Physical Review D. - 2020. - 101. - № 5. - 10.1103/PhysRevD.101.052006
dc.identifier.doi10.1103/PhysRevD.101.052006
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevD.101.052006
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85083446113&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000519702600001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20488
dc.relation.ispartofPhysical Review D
dc.titleJ/psi and psi(2S) production at forward rapidity in p plus p collisions at root s=510 GeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume101
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