A detailed next-to-leading order QCD analysis of deeply virtual Compton scattering observables

Freund, A and McDermott, M (2002) A detailed next-to-leading order QCD analysis of deeply virtual Compton scattering observables. The European Physical Journal C, 23 (4). pp. 651-674. ISSN 1434-6044, 1434-6052

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Abstract

Abstract We present a detailed next-to-leading order (NLO) leading twist QCD analysis of deeply virtual Compton scattering (DVCS) observables, for several different input scenarios, in the $$\overline{\mbox{MS}}$$ scheme. We discuss the size of the NLO effects and the behavior of the observables in skewedness $$\zeta$$, momentum transfer,t, and photon virtuality, $$q^2=-Q^2$$. We present results on the amplitude level for unpolarized and longitudinally polarized lepton probes, and unpolarized and longitudinally polarized proton targets. We make predictions for various asymmetries and for the DVCS cross section and compare with the available data.

Item Type:	Article
Additional Information:	LTH 521. arXiv Number: arXiv:hep-ph/0111472v2. Published online: 15 March 2002. Issue: April 2002.
Uncontrolled Keywords:	NONFORWARD PARTON DISTRIBUTIONS, EXCLUSIVE PHOTON PRODUCTION, LIGHT-RAY OPERATORS, EVOLUTION-EQUATIONS, INELASTIC SCATTERING, QUARK DISTRIBUTIONS, FORM-FACTORS, NUCLEON, FACTORIZATION, HERA
Subjects:	?? QC ??
Divisions:	Faculty of Science and Engineering > School of Physical Sciences > Mathematical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	15 Apr 2009 09:57
Last Modified:	24 May 2025 03:14
DOI:	10.1007/s100520200928
Related Websites:	Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/564