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Nuclear-modification factor of charged hadrons at forward and backward rapidity in p plus Al and p plus Au collisions at root S-NN=200 GeV

dc.contributor.authorAidala, C.
dc.contributor.authorAkiba, Y.
dc.contributor.authorAlfred, M.
dc.contributor.authorAndrieux, V.
dc.contributor.authorBlau, D. S.
dc.contributor.authorRiabov, V.
dc.contributor.authorSamsonov, V.
dc.contributor.authorTaranenko, A.
dc.contributor.authorБлау, Дмитрий Сергеевич
dc.contributor.authorРябов, Виктор Германович
dc.contributor.authorТараненко, Аркадий Владимирович
dc.date.accessioned2024-11-25T17:31:39Z
dc.date.available2024-11-25T17:31:39Z
dc.date.issued2020
dc.description.abstractThe PHENIX experiment has studied nuclear effects in p + Al and p + Au collisions at root S-NN = 200GeV on charged hadron production at forward rapidity (1.4 < eta < 2.4, p-going direction) and backward rapidity (-2.2 < eta < -1.2, A-going direction). Such effects are quantified by measuring nuclear modification factors as a function of transverse momentum and pseudorapidity in various collision multiplicity selections. In central p + Al and p + Au collisions, a suppression (enhancement) is observed at forward (backward) rapidity compared to the binary scaled yields in p + p collisions. The magnitude of enhancement at backward rapidity is larger in p + Au collisions than in p + Al collisions, which have a smaller number of participating nucleons. However, the results at forward rapidity show a similar suppression within uncertainties. The results in the integrated centrality are compared with calculations using nuclear parton distribution functions, which show a reasonable agreement at the forward rapidity but fail to describe the backward rapidity enhancement.
dc.identifier.citationNuclear-modification factor of charged hadrons at forward and backward rapidity in p plus Al and p plus Au collisions at root S-NN=200 GeV / Aidala, C [et al.] // Physical Review C. - 2020. - 101. - № 3. - 10.1103/PhysRevC.101.034910
dc.identifier.doi10.1103/PhysRevC.101.034910
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevC.101.034910
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85082688747&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000519702200007
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20486
dc.relation.ispartofPhysical Review C
dc.titleNuclear-modification factor of charged hadrons at forward and backward rapidity in p plus Al and p plus Au collisions at root S-NN=200 GeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume101
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