Inclusive D*-meson production in ep scattering at low Q2 in the GM-VFN scheme at NLO

Details Inclusive D*-meson production in ep scattering at low Q2 in the GM-VFN scheme at NLO Inclusive D*-meson production in ep scattering at low Q2 in the GM-VFN scheme at NLO

2009-06-15

arxiv.org/abs/0906.2533v1

Phys.Lett.B679:223-227,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages

Scientific paper

10.1016/j.physletb.2009.07.034

We have calculated the next-to-leading order cross sections for the inclusive production of D*-mesons in ep collisions at HERA for finite, although very small Q2. In this Q2-range, the same approximations as for photoproduction can be used. Our calculation is performed in the general-mass variable-flavour-number scheme. In this approach, large logarithms of the charm transverse momentum are resummed and finite terms depending on m^2/p_T^2 are kept in the hard scattering cross sections. The theoretical results are compared with recent data from the ZEUS collaboration at HERA. On average, we find good agreement.

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