M. Anselmino, M. Boglione, U. D’Alesio, E. Leader, S. Melis, F. Murgia, A. O. O. Torino, Infn, Torino, Italy, U. Cagliari, Cagliari, I. College, London, Uk, Ect, Trento, Jlab, Newport News, Usa
{"title":"On the potential role of the Collins effect in AN in proton proton to pion + X","authors":"M. Anselmino, M. Boglione, U. D’Alesio, E. Leader, S. Melis, F. Murgia, A. O. O. Torino, Infn, Torino, Italy, U. Cagliari, Cagliari, I. College, London, Uk, Ect, Trento, Jlab, Newport News, Usa","doi":"10.1393/ncc/i2013-11578-2","DOIUrl":null,"url":null,"abstract":"Transverse single spin asymmetries in pp --> pion X processes, while on a quite firm ground experimentally, are still a much debated phenomenological issue. We consider them in a transverse momentum dependent factorization scheme. After revisiting a previous result, we give new estimates of the Collins contribution by adopting the latest information on the Collins and transversity functions, as extracted from SIDIS and e+e- data.","PeriodicalId":81495,"journal":{"name":"Il Nuovo cimento della Societa italiana di fisica. C","volume":"22 1","pages":"95-99"},"PeriodicalIF":0.0000,"publicationDate":"2013-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Il Nuovo cimento della Societa italiana di fisica. C","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1393/ncc/i2013-11578-2","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
Transverse single spin asymmetries in pp --> pion X processes, while on a quite firm ground experimentally, are still a much debated phenomenological issue. We consider them in a transverse momentum dependent factorization scheme. After revisiting a previous result, we give new estimates of the Collins contribution by adopting the latest information on the Collins and transversity functions, as extracted from SIDIS and e+e- data.
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