Heavy flavor operator matrix elements at $O(a_s^3)$

Details Heavy flavor operator matrix elements at $O(a_s^3)$ Heavy flavor operator matrix elements at $O(a_s^3)$

2008-12-12

arxiv.org/abs/0812.2427v1

PoS Confinement8:185,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages latex, 1 figure, Proceedings of: 8th Conference Quark Confinement and the Hadron Spectrum, September 1-6, 2008

Scientific paper

The heavy quark effects in deep--inelastic scattering in the asymptotic regime $Q^2 \gg m^2$ can be described by heavy flavor operator matrix elements. Complete analytic expressions for these objects are currently known to ${\sf NLO}$. We present first results for fixed moments at ${\sf NNLO}$. This involves a recalculation of fixed moments of the corresponding ${\sf NNLO}$ anomalous dimensions, which we thereby confirm.

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