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Single spin asymmetry parameter from deeply virtual compton scattering of hadrons up to twist - three accuracy. 1. Pion case

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Single spin asymmetry parameter from deeply virtual compton scattering of hadrons up to twist - three accuracy. 1. Pion case

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dc.contributor.author	Anikin, I. V.
dc.contributor.author	Binosi, Daniele
dc.contributor.author	Medrano, R.
dc.contributor.author	Noguera Puchol, Santiago
dc.contributor.author	Vento Torres, Vicente
dc.date.accessioned	2014-03-21T12:12:38Z
dc.date.available	2014-03-21T12:12:38Z
dc.date.issued	2002
dc.identifier.citation	Anikin, I.V. Binosi, D. Medrano, R. Noguera Puchol, Santiago Vento Torres, Vicente 2002 Single spin asymmetry parameter from deeply virtual compton scattering of hadrons up to twist - three accuracy. 1. Pion case European Physical Journal A 14 1 95 103
dc.identifier.uri	http://hdl.handle.net/10550/33649
dc.description.abstract	The study of deeply virtual Compton scattering (DVCS) has shown that electromagnetic gauge invariance requires, to leading order, not only twist-two but additional twist-three contributions. We apply this analysis and, using the Ellis-Furmanski-Petronzio factorization scheme, compute the single- (electron) spin asymmetry arising in the collision of longitudinally polarized electrons with hadrons up to twist-3 accuracy. In order to simplify the kinematics we restrict the actual calculation to pions in the chiral limit. The process is described in terms of the generalized parton distribution functions which we obtain within a bag model framework.
dc.relation.ispartof	European Physical Journal A, 2002, vol. 14, num. 1, p. 95-103
dc.subject	Física nuclear
dc.subject	Electrons
dc.title	Single spin asymmetry parameter from deeply virtual compton scattering of hadrons up to twist - three accuracy. 1. Pion case
dc.type	journal article	es_ES
dc.date.updated	2014-03-21T12:12:39Z
dc.identifier.doi	10.1140/epja/iepja1332
dc.identifier.idgrec	075372
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1140/epja/iepja1332