Exclusive neutrino-production of a charmed meson

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.

17 pages,16 figures. Version 2, to be published in Phys Rev D, misprint corrected in unnumbered equation after eq.43, plots corrected after numerical bug repaired

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Cited by in corpus (14)

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• Exclusive neutrino-production of a charmed vector meson and transversity gluon GPDs
• Charged current electroproduction of a charmed meson at an electron-ion collider
• Exclusive production of quarkonia pairs in collinear factorization framework
• Determination of generalized parton distributions through a simultaneous analysis of axial form factor and wide-angle Compton scattering data
• $D^{\ast }$ and $D_s^{\ast }$ distribution amplitudes from Bethe-Salpeter wave functions
• Generalized Parton Distributions from charged current meson production
• Hard exclusive neutrino production of a light meson
• Diffractive two-meson electroproduction with a nucleon and deuteron target
• GPDs from charged current meson production in $ep$ experiments
• Chiral-odd generalized parton distributions for the low-lying octet baryons