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