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We calculate the amplitude for exclusive electroweak production of apseudoscalar $D_s$ or a vector $D^*_s$ charmed strange meson on an unpolarizednucleon, through a charged current, in leading order in $\alpha_s$. We work inthe framework of the collinear QCD approach where generalized gluondistributions factorize from perturbatively calculable coefficient functions.We include both $O(m_c)$ terms in the coefficient functions and $O(M_D)$ massterm contributions in the heavy meson distribution amplitudes. We show thatthis process may be accessed at future electron-ion colliders.

Charged current electroproduction of a charmed meson at an electron-ion collider