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Measurements of W and Z /γ∗ cross sections and their ratios in p+p collisions at RHIC

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dc.contributor.authorAdam, J.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdams, J. R.
dc.contributor.authorAdkins, J. K.
dc.contributor.authorAlekseev, I.
dc.contributor.authorBrandin, A. V.
dc.contributor.authorKhyzhniak, Y. V.
dc.contributor.authorKochenda, L.
dc.contributor.authorKravtsov, P.
dc.contributor.authorNigmatkulov, G.
dc.contributor.authorOkorokov, V. A.
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.authorСтриханов, Михаил Николаевич
dc.contributor.authorТараненко, Аркадий Владимирович
dc.date.accessioned2024-11-29T11:10:17Z
dc.date.available2024-11-29T11:10:17Z
dc.date.issued2021
dc.description.abstract© 2021 American Physical Society.We report on the W and Z/γ∗ differential and total cross sections as well as the W+/W- and (W++W-)/(Z/γ∗) cross section ratios measured by the STAR experiment at RHIC in p+p collisions at s=500 GeV and 510 GeV. The cross sections and their ratios are sensitive to quark and antiquark parton distribution functions. In particular, at leading order, the W cross section ratio is sensitive to the d¯/ū ratio. These measurements were taken at high Q2∼MW2,MZ2 and can serve as input into global analyses to provide constraints on the sea quark distributions. The results presented here combine three STAR datasets from 2011, 2012, and 2013, accumulating an integrated luminosity of 350 pb-1. We also assess the expected impact that our W+/W- cross section ratios will have on various quark distributions, and find sensitivity to the ū-d¯ and d¯/ū distributions.
dc.identifier.citationMeasurements of W and Z /γ∗ cross sections and their ratios in p+p collisions at RHIC / Adam, J. [et al.] // Physical Review D. - 2021. - 103. - № 1. - 10.1103/PhysRevD.103.012001
dc.identifier.doi10.1103/PhysRevD.103.012001
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevD.103.012001
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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:000604538000001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23583
dc.relation.ispartofPhysical Review D
dc.titleMeasurements of W and Z /γ∗ cross sections and their ratios in p+p collisions at RHIC
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume103
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