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Evidence for Nonlinear Gluon Effects in QCD and Their Mass Number Dependence at STAR

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dc.contributor.authorAlekseev I.
dc.contributor.authorBrandin A. V.
dc.contributor.authorKhyzhniak E.
dc.contributor.authorKochenda L.
dc.contributor.authorKravtsov P.
dc.contributor.authorNigmatkulov G.
dc.contributor.authorOkorokov V. A.
dc.contributor.authorParfenov P.
dc.contributor.authorStrikhanov M.
dc.contributor.authorTaranenko A.
dc.contributor.authorАлексеев, Игорь Геннадьевич
dc.contributor.authorБрандин, Андрей Владимирович
dc.contributor.authorНигматкулов, Григорий Александрович
dc.contributor.authorОкороков, Виталий Алексеевич
dc.contributor.authorПарфенов, Петр Евгеньевич
dc.contributor.authorСтриханов, Михаил Николаевич
dc.contributor.authorТараненко, Аркадий Владимирович
dc.date.accessioned2024-12-25T16:37:48Z
dc.date.available2024-12-25T16:37:48Z
dc.date.issued2022
dc.description.abstractThe STAR Collaboration reports measurements of back-to-back azimuthal correlations of di-π0s produced at forward pseudorapidities (2.6<η<4.0) in p+p, p+Al, and p+Au collisions at a center-of-mass energy of 200 GeV. We observe a clear suppression of the correlated yields of back-to-back π0 pairs in p+Al and p+Au collisions compared to the p+p data. The observed suppression of back-to-back pairs as a function of transverse momentum suggests nonlinear gluon dynamics arising at high parton densities. The larger suppression found in p+Au relative to p+Al collisions exhibits a dependence of the saturation scale Qs2 on the mass number A. A linear scaling of the suppression with A1/3 is observed with a slope of -0.09±0.01. © 2022 American Physical Society.
dc.identifier.citationEvidence for Nonlinear Gluon Effects in QCD and Their Mass Number Dependence at STAR / Abdallah, M.S. [et al.] // Physical Review Letters. - 2022. - 129. - № 9. - 10.1103/PhysRevLett.129.092501
dc.identifier.doi10.1103/PhysRevLett.129.092501
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.129.092501
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85137263697&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000872012400004
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28201
dc.relation.ispartofPhysical Review Letters
dc.titleEvidence for Nonlinear Gluon Effects in QCD and Their Mass Number Dependence at STAR
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue9
oaire.citation.volume129
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