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Physical Review D

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

Zhong-Bo Kang and Jian-Wei Qiu

Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

Phys. Rev. D 78, 034005 – Published 7 August, 2008

DOI: https://doi.org/10.1103/PhysRevD.78.034005

Abstract

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 $P_{h ⊥}$ and find that the asymmetry is proportional to the twist-three trigluon correlation function in the proton. With a simple model for the trigluon correlation function, we estimate the asymmetry for both COMPASS and eRHIC kinematics and discuss the possibilities of extracting the trigluon correlation function in these experiments.

Article Text

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