The pT spectrum in heavy-flavour photoproduction | Zendy

Matteo Cacciari | Zendy; Stefano Frixione | Zendy; Paolo Nason | Zendy

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The p_T spectrum in heavy-flavour photoproduction

Author(s) -

Matteo Cacciari,

Stefano Frixione,

Paolo Nason

Publication year - 2001

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 - 10.1088/1126-6708/2001/03/006

Subject(s) - hera , physics , particle physics , nuclear physics , hadron , transverse plane , formalism (music) , charm (quantum number) , logarithm , photon , flavour , rapidity , quantum chromodynamics , quantum mechanics , art , musical , mathematical analysis , mathematics , structural engineering , engineering , visual arts

We consider the transverse-momentum distribution of heavy flavours inphoton-hadron collisions. We present a formalism in which largetransverse-momentum logarithms are resummed to the next-to-leading level, andmass effects are included exactly up to order alpha_em alpha_s^2, so as toretain predictivity at both small and large transverse momenta.Phenomenological applications relevant to charm photoproduction at HERA aregiven.Comment: 26 pages, Latex, epsfig, 15 figures. Submitted to JHE

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