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arxiv: 1808.02958 · v1 · submitted 2018-08-08 · ✦ hep-ph

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rho-meson leptoproduction as testfield for the unintegrated gluon distribution in the proton

Andr\`ee Dafne Bolognino , Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Alessandro Papa
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classification ✦ hep-ph
keywords gluondistributionleptoproductionmesonmodelsprotontestfieldunintegrated
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The gluon content of the proton is embodied by the unintegrated gluon distribution (UGD), which has universal validity. In literature many models of UGD have been proposed so far. The polarized $\rho$-meson leptoproduction at HERA offers a nowadays unexplored testfield to discriminate among existing models of UGD, via the comparison with theoretical predictions formulated in the $\kappa$-factorization approach.

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