$O(α_s^2)$ corrections to polarized heavy flavour production at $Q^2\gg m^2$

Details $O(α_s^2)$ corrections to polarized heavy flavour production at $Q^2\gg m^2$ $O(α_s^2)$ corrections to polarized heavy flavour production at $Q^2\gg m^2$

1996-08-15

arxiv.org/abs/hep-ph/9608342v1

Nucl.Phys. B485 (1997) 420-456

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex with nine Postscript figures

Scientific paper

10.1016/S0550-3213(96)00606-2

We present analytic formulae for the heavy flavour coefficient functions for polarized deep inelastic lepton-hadron scattering. The expressions are valid in the kinematical regime $Q^2\gg m^2$ where $Q^2$ and $m^2$ stand for the masses squared of the virtual photon and heavy quark respectively. Using these coefficient functions we have computed the next-to-leading order $\alpha_s$ corrections to polarized charm production at HERA collider energies, where both the electron and proton beams are polarized. We also give an estimate of these corrections at fixed target experiments where the typical $Q^2$ values are much smaller than at HERA.

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