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Hard Leptoproduction of Charged Vector Mesons

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arxiv hep-ph/9712508 v1 pith:AZM362UF submitted 1997-12-23 hep-ph

classification hep-ph
keywords distributionfunctionschargedflavorhardleptoproductionmesonsnondiagonal
verification ladder T0 review T1 audit T2 compute T3 formal
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We present an analysis of twist-2, leading order QCD amplitudes for hard exclusive leptoproduction of charged vector mesons. These processes are determined by nonforward parton distribution functions which are nondiagonal in quark flavor. We derive relations between flavor diagonal and nondiagonal distribution functions based on isospin symmetry. Furthermore, we discuss general features of rho^+ and rho^- production cross sections, and present estimates based on a simple model for nonforward distribution functions.

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  1. Exclusive photoproduction of a di-meson pair with large invariant mass

    hep-ph 2026-05 unverdicted novelty 7.0 of 10

    Computes LO amplitudes for di-meson photoproduction channels sensitive to quark GPDs and reports high cross sections suitable for GPD studies at JLab energies.

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