Scaled momentum distributions of charged particles in dijet photoproduction at HERA

By Zeus Collaboration. 2009

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The scaled momentum distributions of charged particles in jets have been measured for dijet photoproduction with the ZEUS detector at HERA using an integrated luminosity of 359 pl(-1). The distributions are compared to predictions based on pertubative QCD carried out in the framework of the modified leading-logarithmic approximation (MLLA) and assuming local parton-hadron duality (LPHD). The universal MLLA scale, Lambda(eff), and the LPHD parameter, K-ch, are extracted.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/49d268e56bc71d7e25f2fdf2dc0b41c393ea6781