Single transverse-spin asymmetry for $D$-meson production in semi-inclusive deep inelastic scattering

Details Single transverse-spin asymmetry for $D$-meson production in semi-inclusive deep inelastic scattering Single transverse-spin asymmetry for $D$-meson production in semi-inclusive deep inelastic scattering

2008-06-12

arxiv.org/abs/0806.1970v1

Phys.Rev.D78:034005,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 7 figures

Scientific paper

10.1103/PhysRevD.78.034005

We study the single-transverse spin asymmetry for open charm production in the semi-inclusive lepton-hadron deep inelastic scattering. We calculate the asymmetry in terms of the QCD collinear factorization approach for $D$ mesons at high enough $P_{h\perp}$, and find that the asymmetry is proportional to the twist-three tri-gluon correlation function in the proton. With a simple model for the tri-gluon correlation function, we estimate the asymmetry for both COMPASS and eRHIC kinematics, and discuss the possibilities of extracting the tri-gluon correlation function in these experiments.

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