Phenomenological study of charm photoproduction at HERA | Zendy

Stefano Frixione | Zendy; Paolo Nason | Zendy

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Phenomenological study of charm photoproduction at HERA

Author(s) -

Stefano Frixione,

Paolo Nason

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/03/053

Subject(s) - hera , zeus (particle detector) , resummation , physics , particle physics , charm (quantum number) , factorization , logarithm , renormalization , fragmentation function , nuclear physics , meson , fragmentation (computing) , quantum chromodynamics , deep inelastic scattering , mathematics , computer science , parton , algorithm , mathematical analysis , quantum mechanics , inelastic scattering , optics , scattering , operating system

We present predictions for single inclusive distributions of charmed mesons,relevant to the HERA experiments. Our results are based upon a computation thatcorrectly incorporates mass effects up to the next-to-leading order level, andthe resummation of transverse momentum logarithms up tonext-to-leading-logarithmic level. We apply the same acceptance cuts as the H1and Zeus experiments, and compare our results to their data. We perform a studyof the sensitivity of our predictions on the charm mass, $\LambdaQCD$,factorization scale, renormalization scale, and fragmentation parameters.Comment: 15 pages Latex; 25 figures include

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