Nuclear gluons at RHIC in a multiobservable approach

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dc.contributor.author Helenius, Ilkka
dc.contributor.author Lajoie, John
dc.contributor.author Osborn, Joseph D.
dc.contributor.author Paakkinen, Petja
dc.contributor.author Paukkunen, Hannu
dc.date.accessioned 2020-01-23T10:56:02Z
dc.date.available 2020-01-23T10:56:02Z
dc.date.issued 2019-07-08
dc.identifier.citation Helenius , I , Lajoie , J , Osborn , J D , Paakkinen , P & Paukkunen , H 2019 , ' Nuclear gluons at RHIC in a multiobservable approach ' , Physical Review D , vol. 100 , no. 1 , 014004 . https://doi.org/10.1103/PhysRevD.100.014004
dc.identifier.other PURE: 130558136
dc.identifier.other PURE UUID: fab23efc-6831-496c-9a78-b947a7212969
dc.identifier.other WOS: 000474374600001
dc.identifier.uri http://hdl.handle.net/10138/310228
dc.description.abstract We explore the possibility of measuring nuclear gluon distributions at the Relativistic Heavy-Ion Collider (RHIC) with root s = 200 GeV proton-nucleus collisions. In addition to measurements at central rapidity, we consider also observables at forward rapidity, consistent with proposed upgrades to the experimental capabilities of STAR and sPHENIX. The processes we consider consist of Drell-Yan dilepton, dijet, and direct photon jet production. The Drell-Yan process is found to be an efficient probe of gluons at small momentum fractions. In order to fully utilize the potential of Drell-Yan measurements we demonstrate how the overall normalization uncertainty present in the experimental data can be fixed using other experimental observables. An asset of the RHIC collider is its flexibility to run with different ion beams, and we outline how this ability could be taken advantage of to measure the A dependence of gluon distributions for which the current constraints are scarce. en
dc.format.extent 11
dc.language.iso eng
dc.relation.ispartof Physical Review D
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 114 Physical sciences
dc.title Nuclear gluons at RHIC in a multiobservable approach en
dc.type Article
dc.contributor.organization Helsinki Institute of Physics
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1103/PhysRevD.100.014004
dc.relation.issn 2470-0010
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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