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Towards an unified picture of constituent and current quarks

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Towards an unified picture of constituent and current quarks

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dc.contributor.author Scopetta, Sergio
dc.contributor.author Vento Torres, Vicente
dc.contributor.author Traini, Marco
dc.date.accessioned 2015-05-11T10:17:09Z
dc.date.available 2015-05-11T10:17:09Z
dc.date.issued 1998
dc.identifier.citation Scopetta, Sergio Vento Torres, Vicente Traini, Marco 1998 Towards an unified picture of constituent and current quarks Physics Letters B 421 1-4 64 70
dc.identifier.uri http://hdl.handle.net/10550/43638
dc.description.abstract Using a simple picture of the constituent quark as a composite system of point-like partons, we construct the parton distributions by a convolution between constituent quark momentum distributions and constituent quark structure functions. We evaluate the latter at a low hadronic scale with updated phenomenological information, and we build the momentum distributions using well-known quark models. The resulting parton distributions and structure functions are evolved to the experimental scale and good agreement with the available DIS data is achieved. When compared with a similar calculation using non-composite constituent quarks, the accord with experiment of the present calculation becomes impressive. We therefore conclude that DIS data are consistent with a low energy scenario dominated by composite, mainly non-relativistic constituents of the nucleon.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 1998, vol. 421, num. 1-4, p. 64-70
dc.subject Física
dc.title Towards an unified picture of constituent and current quarks
dc.type journal article es_ES
dc.date.updated 2015-05-11T10:17:10Z
dc.identifier.doi 10.1016/S0370-2693(97)01599-2
dc.identifier.idgrec 075392
dc.rights.accessRights open access es_ES

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