On large mass $\gamma \gamma$ and $\gamma$-meson photoproduction
L. Szymanowski, B. Pire, S. Wallon
TL;DR
This paper explores the potential of studying large invariant mass photon-photon and photon-meson production in QCD to access generalized parton distributions, relevant for experiments at JLab and EIC.
Contribution
It introduces the study of large mass gamma-gamma and gamma-meson photoproduction within the QCD collinear factorization framework, expanding the scope of accessible exclusive reactions.
Findings
Potential to probe GPDs through these reactions
Feasibility at JLab and EIC energies
Extension of hard exclusive reaction studies
Abstract
Enlarging the set of hard exclusive reactions to be studied in the framework of QCD collinear factorization opens new possibilities to access generalized parton distributions (GPDs). We studied the photoproduction of a large invariant mass photon-photon or photon-meson pair in the generalized Bjorken regime which may be accessible both at JLab and at the EIC.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Nuclear physics research studies · Particle physics theoretical and experimental studies