{"title":"Low-Mass Drell-Yan Pairs at RHIC and LHC","authors":"G. Fai, J. Qiu, Xiaofei Zhang","doi":"10.1556/APH.22.2005.3-4.14","DOIUrl":null,"url":null,"abstract":"We summarize the calculation of Drell-Yan transverse-momentum distributions using QCD perturbation theory. In particular, the transversemomentum spectrum of low-mass Drell-Yan pairs is calculated with all-order resummation. We demonstrate that the transverse-momentum distribution of low-mass Drell-Yan pairs is an advantageous source of constraints on the gluon distribution and its nuclear dependence. We argue that low-mass Drell-Yan pairs in the forward region provide a good and clean probe of small-x gluons at RHIC and LHC.","PeriodicalId":201208,"journal":{"name":"Acta Physica Hungarica A) Heavy Ion Physics","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Physica Hungarica A) Heavy Ion Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1556/APH.22.2005.3-4.14","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We summarize the calculation of Drell-Yan transverse-momentum distributions using QCD perturbation theory. In particular, the transversemomentum spectrum of low-mass Drell-Yan pairs is calculated with all-order resummation. We demonstrate that the transverse-momentum distribution of low-mass Drell-Yan pairs is an advantageous source of constraints on the gluon distribution and its nuclear dependence. We argue that low-mass Drell-Yan pairs in the forward region provide a good and clean probe of small-x gluons at RHIC and LHC.
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