Threshold Effects in Charm Hadroproduction

Details Threshold Effects in Charm Hadroproduction Threshold Effects in Charm Hadroproduction

2002-12-12

arxiv.org/abs/hep-ph/0212173v2

Phys.Rev.D67:074037,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 10 figures, new pion PDFs used, some discussion added, conclusions unchanged

Scientific paper

10.1103/PhysRevD.67.074037

We describe calculations of $c \bar c$ production to next-to-next-to-leading order (NNLO) and next-to-next-to-leading logarithm (NNLL) near threshold in $pp$ and $\pi^- p$ interactions. We study the relevance of these calculations for existing $c \bar c$ total cross section data by examining their sensitivity to partonic threshold kinematics, their convergence properties and scale dependence.

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