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Neutrino-production of a charmed meson and the transverse spin structure of the nucleon

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arxiv 1505.00917 v2 pith:FDMUE3NT submitted 2015-05-05 hep-ph hep-exnucl-exnucl-th

classification hep-phhep-exnucl-exnucl-th
keywords gpdsamplitudecharmedcrossmesonsectiontransverseaccess
verification ladder T0 review T1 audit T2 compute T3 formal
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We calculate the amplitude for exclusive neutrino production of a charmed meson on an unpolarized target, in the colinear QCD approach where generalized parton distributions (GPDs) factorize from perturbatively calculable coefficient functions. We demonstrate that the transversity chiral odd GPDs contribute to the transverse cross section if the hard amplitude is calculated up to order mc/Q. We show how to access these GPDs through the azimuthal dependence of the nu N -> mu D N differential cross section.

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