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Exclusive neutrino-production of a charmed meson

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arxiv 1702.00316 v2 pith:JY54ZMUS submitted 2017-02-01 hep-ph hep-exnucl-exnucl-th

B. Pire , L. Szymanowski , J. Wagner This is my paper
classification hep-phhep-exnucl-exnucl-th
keywords mesoncharmedcoefficientexclusivefunctionsgpdsalphaamplitude
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We calculate the leading order in $\alpha_s$ QCD amplitude for exclusive neutrino and antineutrino production of a $D$ pseudoscalar charmed meson on an unpolarized nucleon. We work in the framework of the collinear QCD approach where generalized parton distributions (GPDs) factorize from perturbatively calculable coefficient functions. We include both $O(m_c)$ terms in the coefficient functions and $O(M_D)$ mass term contributions in the heavy meson distribution amplitudes. We emphasize the sensitivity of specific observables on the transversity quark GPDs.

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