Color-evaporation-model calculation of e plus e- J/y plus cc- plus X at s=10. 6 GeV

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dc.contributor.authorKang, Dko
dc.contributor.authorLee, JWko
dc.contributor.authorLee, Jko
dc.contributor.authorKim, Tko
dc.contributor.authorKo, PyungWonko
dc.date.accessioned2013-03-06T10:52:07Z-
dc.date.available2013-03-06T10:52:07Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2005-05-
dc.identifier.citationPHYSICAL REVIEW D, v.71, no.9, pp.839 - 849-
dc.identifier.issn1550-7998-
dc.identifier.urihttp://hdl.handle.net/10203/86742-
dc.description.abstractMeasurements by Belle Collaboration of the cross section for inclusive J/y production in e(c)(+e- annihilation have been a serious challenge to current heavy-quarkonium theory. In particular, the measured cross sections for exclusive J/y+h) and inclusive J/y+c (c) over bar +X differ from nonrelativistic QCD predictions by an order of magnitude. In order to check if other available alternative theories can resolve such a large discrepancy, we calculate the cross section for inclusive J/y+c (c) over bar +X based on the color-evaporation model. As a phenomenological model, the color-evaporation model is still employed to predict cross sections for inclusive quarkonium production in various processes. Our results show that the color-evaporation-model prediction is even smaller than the nonrelativistic QCD prediction by an order of magnitude. The resultant color-evaporation-model prediction for the J/y+c (c) over bar +X fraction in the inclusive J/y production cross section is 0.049, while the empirical value measured by Belle Collaboration is 0.82.-
dc.languageEnglish-
dc.publisherAMER PHYSICAL SOC-
dc.subjectE(+)E(-) COLLIDERS-
dc.subjectJ/PSI PRODUCTION-
dc.subjectPSI-PRODUCTION-
dc.subjectQUARK FLAVORS-
dc.subjectANNIHILATION-
dc.subjectCHARMONIUM-
dc.subjectGLUONS-
dc.subjectQCD-
dc.titleColor-evaporation-model calculation of e plus e- J/y plus cc- plus X at s=10. 6 GeV-
dc.typeArticle-
dc.identifier.wosid000229440300043-
dc.identifier.scopusid2-s2.0-27144502491-
dc.type.rimsART-
dc.citation.volume71-
dc.citation.issue9-
dc.citation.beginningpage839-
dc.citation.endingpage849-
dc.citation.publicationnamePHYSICAL REVIEW D-
dc.contributor.nonIdAuthorKang, D-
dc.contributor.nonIdAuthorLee, JW-
dc.contributor.nonIdAuthorLee, J-
dc.contributor.nonIdAuthorKim, T-
dc.type.journalArticleArticle-
dc.subject.keywordPlusE(+)E(-) COLLIDERS-
dc.subject.keywordPlusJ/PSI PRODUCTION-
dc.subject.keywordPlusPSI-PRODUCTION-
dc.subject.keywordPlusQUARK FLAVORS-
dc.subject.keywordPlusANNIHILATION-
dc.subject.keywordPlusCHARMONIUM-
dc.subject.keywordPlusGLUONS-
dc.subject.keywordPlusQCD-
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