Vector meson electroproduction at next-to-leading order

Vector meson electroproduction at next-to-leading order

The process of light neutral vector meson electroproduction is studied in the framework of QCD factorization in which the amplitude factorizes in a convolution of the nonperturbative meson distribution amplitude and generalized parton densities with perturbatively calculable hard-scattering amplitud...

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Veröffentlicht in:JETP letters 2004-01, Vol.80 (4), p.226-230
Hauptverfasser: Ivanov, D. Yu, Szymanowski, L., Krasnikov, G.
Format: Artikel
Sprache:eng
Schlagworte:
Amplitudes
Partons
Scattering
Vector mesons
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Beschreibung
Zusammenfassung:The process of light neutral vector meson electroproduction is studied in the framework of QCD factorization in which the amplitude factorizes in a convolution of the nonperturbative meson distribution amplitude and generalized parton densities with perturbatively calculable hard-scattering amplitudes. We derive a complete set of hard-scattering amplitudes at next-to-leading order (NLO) for the production of vector mesons, V=ρ0, ω, ϕ.
ISSN:0021-3640
1090-6487
DOI:10.1134/1.1813676