{"title":"Strange hadron production in d+Au collisions at RHIC","authors":"Hai Jiang, Xiangzhou Cai","doi":"10.1556/APH.25.2006.2-4.20","DOIUrl":null,"url":null,"abstract":"We report the centrality dependence of transverse mass (m t ) spectra at mid-rapidity for the identified strange hadrons K S 0 , ϕ \\(\\Lambda + \\bar \\Lambda \\) and \\(\\Xi ^ - + \\bar \\Xi ^ + \\) in d+Au collisions at RHIC. The measured transverse momentum (p T ) covers 0.4<p T <6.0 GeV/c for K S 0 , o, \\(\\Lambda + \\bar \\Lambda \\) and 0.6<p T <5.0 GeV/c for \\(\\Xi ^ - + \\bar \\Xi ^ + \\). The binary collision normalized nuclear modification factors R CP of these hadrons indicate that the Cronin effect in d+Au collisions has a distinct particle-type dependence. the R CP ratios show a distinct baryons versus mesons dependence: the R CP for \\(\\Xi ^ - + \\bar \\Xi ^ + \\) follows that for \\(\\Lambda + \\bar \\Lambda \\) while the R CP for the ϕ is close to that for the K S 0 . Similar features have also been observed in Au+Au collisions. Initial parton scattering alone is not sufficient to explain this particle-type dependence. Hadronization processes are likely to be important for determining hadron properties in high-energy collisions as suggested by coalescence and recombination models.","PeriodicalId":201208,"journal":{"name":"Acta Physica Hungarica A) Heavy Ion Physics","volume":"76 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Physica Hungarica A) Heavy Ion Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1556/APH.25.2006.2-4.20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We report the centrality dependence of transverse mass (m t ) spectra at mid-rapidity for the identified strange hadrons K S 0 , ϕ \(\Lambda + \bar \Lambda \) and \(\Xi ^ - + \bar \Xi ^ + \) in d+Au collisions at RHIC. The measured transverse momentum (p T ) covers 0.4
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