2013
DOI: 10.1016/j.nuclphysbps.2012.11.017
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Photon structure functions with heavy particle mass effects

Abstract: In the framework of the perturbative QCD we investigate heavy particle mass effects on the unpolarized and polarized photon structure functions, $F_2^\gamma$ and $g_1^\gamma$, respectively. We present our basic formalism to treat heavy particle mass effects to NLO in perturbative QCD. We also study heavy quark effects on the QCD sum rule for the first moment of $g_1^\gamma$, which is related to axial anomaly. The photon structure function in supersymmetric QCD is also briefly discussed.Comment: 4 pages, 5 figu… Show more

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