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Analyzing the Boer-Mulders function within different quark models

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Analyzing the Boer-Mulders function within different quark models

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dc.contributor.author Courtoy, Aurore
dc.contributor.author Scopetta, Sergio
dc.contributor.author Vento Torres, Vicente
dc.date.accessioned 2015-05-13T07:46:52Z
dc.date.available 2015-05-13T07:46:52Z
dc.date.issued 2009
dc.identifier.citation Courtoy, Aurore Scopetta, Sergio Vento Torres, Vicente 2009 Analyzing the Boer-Mulders function within different quark models Physical Review D 80 7 074032
dc.identifier.uri http://hdl.handle.net/10550/43748
dc.description.abstract A general formalism for the evaluation of time reversal odd parton distributions is applied here to calculate the Boer-Mulders function. The same formalism when applied to evaluate the Sivers function led to results which fulfill the Burkardt sum rule quite well. The calculation here has been performed for two different models of proton structure: a constituent quark model and the MIT bag model. In the latter case, important differences are found with respect to a previous evaluation in the same framework, a feature already encountered in the calculation of the Sivers function. The results obtained are consistent with the present wisdom, i.e., the contributions for the u and d flavors turn out to have the same sign, following the pattern suggested analyzing the model independent features of the impact parameter dependent generalized parton distributions. It is therefore confirmed that the present approach is suitable for the analysis of time reversal odd distribution functions. A critical comparison between the outcomes of the two models, as well as between the results of the calculations for the Sivers and Boer-Mulders functions, is also carried out.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2009, vol. 80, num. 7, p. 074032
dc.subject Física
dc.title Analyzing the Boer-Mulders function within different quark models
dc.type journal article es_ES
dc.date.updated 2015-05-13T07:46:52Z
dc.identifier.doi 10.1103/PhysRevD.80.074032
dc.identifier.idgrec 058041
dc.rights.accessRights open access es_ES

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