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arxiv: hep-ph/0504003 · v2 · submitted 2005-04-01 · ✦ hep-ph · hep-ex

NLO photon parton parametrization using ee and ep data

classification ✦ hep-ph hep-ex
keywords dataparametrizationpartongammaphotoncomingcompareddijets
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An NLO photon parton parametrization is presented based on the existing $F_2^\gamma$ measurements from $e^+e^-$ data and the low-$x$ proton structure function from $ep$ interactions. Also included in the extraction of the NLO parton distribution functions are the dijets data coming from $\gamma p \to j_1 + j_2 +X$. The new parametrization is compared to other NLO parametrizations.

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