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Double spin asymmetry ALT in direct photon production
2012
Physics Letters B
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We study the longitudinal-transverse double spin asymmetry A_LT for direct photon production in nucleon-nucleon scattering by using the collinear twist-3 approach. This asymmetry, which, for instance, could be measured at RHIC, contains a complete set of collinear twist-3 correlation functions in a transversely polarized nucleon.
doi:10.1016/j.physletb.2012.04.072
fatcat:nywbjoypqrantonqg6otbwyrma