Variable flavor number schemes versus fixed order perturbation theory for charm quark electroproduction

Details Variable flavor number schemes versus fixed order perturbation theory for charm quark electroproduction Variable flavor number schemes versus fixed order perturbation theory for charm quark electroproduction

2000-10-31

arxiv.org/abs/hep-ph/0010350v2

Eur.Phys.J.C18:547-553,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 10 Postscript figures; H1 data added, references updated, typos corrected

Scientific paper

10.1007/s100520000546

Data for D*(2010) meson electroproduction in the range 10 < Q2 < 1350 GeV^2 has recently been presented by the ZEUS collaboration at HERA. We use these results together with previously published data for Q2 > 1 GeV^2 to test whether one can distinguish between different theoretical schemes for charm quark electroproduction. We find that up to the largest Q2 measured, it is not possible to make such a differentiation. Then we point out the regions where differences between the various schemes arise.

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