Polarized Photoproduction of Heavy Quarks in Next-to-Leading Order

Details Polarized Photoproduction of Heavy Quarks in Next-to-Leading Order Polarized Photoproduction of Heavy Quarks in Next-to-Leading Order

2000-03-21

arxiv.org/abs/hep-ph/0003204v1

Phys.Lett. B482 (2000) 93-98

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 figures

Scientific paper

10.1016/S0370-2693(00)00509-8

The results of a next-to-leading order calculation of heavy quark production in longitudinally polarized photon-nucleon collisions are presented. At c.m. energy $\sqrt{S}=10$ GeV, for $\vec \gamma +\vec p \to c+X$, cross sections differential in the transverse momentum and rapidity of the charmed quark $c$ and the corresponding asymmetries are presented; also, as functions of $\sqrt{S}$, integrated cross sections, $K$-factors and the corresponding asymmetries are given. Errors in the asymmetries are estimated and the possibility to distinguish between three scerarios differing essentially in the polarized gluon distribution is discussed.

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