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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Towards an unified picture of constituent and current quarks

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Scopetta, Sergio; Vento Torres, Vicente; Traini, Marco
Aquest document és un/a article, creat/da en: 1998
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.

    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
http://dx.doi.org/10.1016/S0370-2693(97)01599-2
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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