Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-09-07
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 3 figures, to appear in proceedings of Workshop on Exclusive Reactions at High Momentum Transfer (IV), Jefferson Lab,
Scientific paper
We propose to investigate a largely unexplored sector that is unique to the formulation of hard exclusive processes in terms of GPDs, namely the electroproduction of strange and charmed mesons in the kinematical ranges of Jefferson Lab's 12 GeV upgrade, and of the proposed Electron Ion Collider (EIC). In this contribution we focus on charmed meson production that is unique to the EIC. Exclusive strange and charmed meson production provides new insights in the connection of the quark/gluon degrees of freedom with the meson-baryon description, both in the unpolarized and polarized sectors. However, as particularly evident in polarized scattering, the underlying mechanisms are still far from being fully understood. We present an approach in terms of generalized parton distributions. As an application, we show that through exclusive electroproduction of pseudoscalar charmed mesons one can uniquely single out the non-perturbative charmed component in the nucleon structure function.
Goldstein Gary
Liuti Simonetta
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