Double parton correlations in constituent quark models
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Double parton correlations in constituent quark models

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Double parton correlations in constituent quark models

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dc.contributor.author Rinaldi, Matteo
dc.contributor.author Scopetta, Sergio
dc.contributor.author Vento Torres, Vicente
dc.date.accessioned 2014-02-20T09:33:20Z
dc.date.available 2014-02-20T09:33:20Z
dc.date.issued 2013
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevD.87.114021
dc.identifier.uri http://hdl.handle.net/10550/33116
dc.description.abstract Double parton correlations, having effects on the double parton scattering processes occurring in high-energy hadron-hadron collisions, for example at the LHC, are studied in the valence quark region by means of constituent quark models. In this framework, two particle correlations are present without any additional prescription, at variance with what happens, for example, in independent particle models, such as the MIT bag model in its simplest version. From the present analysis, conclusions similar to the ones obtained recently in a modified version of the bag model can be drawn: correlations in the longitudinal momenta of the active quarks are found to be sizable, while those in transverse momentum are much smaller. However, the framework used allows us to understand clearly the dynamical origin of the correlations. In particular, it is shown that the small size of the correlations in transverse momentum is a model-dependent result, which would not occur if models with sizable quark orbital angular momentum were used to describe the proton. Our analysis permits us, therefore, to clarify the dynamical origin of the double parton correlations and to establish which, among the features of the results, are model independent. The possibility of testing the studied effects experimentally is discussed.
dc.relation.ispartof Physical Review D, 2013, vol. 87, num. 11, p. 114021-1-114021-9
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Rinaldi, Matteo Scopetta, Sergio Vento Torres, Vicente 2013 Double parton correlations in constituent quark models Physical Review D 87 11 114021-1 114021-9
dc.subject Física nuclear
dc.title Double parton correlations in constituent quark models
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-02-20T09:33:20Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.87.114021
dc.identifier.idgrec 091328

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