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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2004 Volume 80, Issue 4, Pages 255–259 (Mi jetpl2084)

This article is cited in 45 papers

FIELDS, PARTICLES, AND NUCLEI

Vector meson electroproduction at next-to-leading order

D. Yu. Ivanova, L. Szymanowskibc, G. Krasnikovd

a Sobolev Institute of Mathematics RAS, 630090 Novosibirsk, Russia
b LPT, Université Paris-Sud, 91405 Orsay, France
c Soltan Institute for Nuclear Studies, 00-681 Warsaw, Poland
d Department of Theoretical Physics, St.Petersburg State University, 198904 St.Petersburg, Russia

Abstract: The process of a 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 the generalized parton densities with the 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, $V=\rho^0, \omega, \phi$.

PACS: 12.38.Bx, 13.60.Le

Received: 20.05.2004
Revised: 08.07.2004

Language: English


 English version:
Journal of Experimental and Theoretical Physics Letters, 2004, 80:4, 226–230

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