Trigluon correlations and single transverse spin asymmetry in open charm production

Details Trigluon correlations and single transverse spin asymmetry in open charm production Trigluon correlations and single transverse spin asymmetry in open charm production

2009-01-16

arxiv.org/abs/0901.2539v1

AIP Conf.Proc.1149:443-446,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures; to appear in the proceedings of the 18th International Symposium on Spin Physics (SPIN2008), October 6 - 1

Scientific paper

10.1063/1.3215685

We study the single transverse-spin asymmetry for open charm production in the semi-inclusive lepton-hadron deep inelastic scattering (SIDIS) and $pp$ collision. Within collinear factorization approach, we find that the asymmetry is sensitive to the twist-3 trigluon correlation functions in the proton. With a simple model for the trigluon correlation functions, we estimate the asymmetry in SIDIS for both COMPASS and eRHIC kinematics, as well as in $pp$ collision at RHIC energy. We discuss the possibilities of extracting the trigluon correlation functions in these experiments.

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