Spin asymmetry for the 16O(gamma,pi- p) reaction in the Delta(1232) region within an effective Lagrangian approach

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dc.creatorFernandez-Ramirez, C.
dc.creatorMartinez, M. C.
dc.creatorVignote, J. R.
dc.creatorUdias, J. M.
dc.date2008-05-13
dc.date.accessioned2026-07-07T11:33:48Z
dc.date.available2026-07-07T11:33:48Z
dc.descriptionThe spin asymmetry of the photon in the exclusive A(gamma,pi N)A-1 reaction is computed employing a recently developed fully relativistic model based on elementary pion production amplitudes that include a consistent treatment of the spin-3/2 nucleon resonances. We compare the results of this model to the only available data on Oxygen [Phys. Rev. C 61 (2000) 054609] and find that, contrary to other models, the predicted spin asymmetry compares well to the available experimental data in the Delta(1232) region. Our results indicate that no major medium modifications in the Delta(1232) properties are needed in order to describe the measured spin asymmetries.
dc.description16 pages, 7 figures. To be published in Physics Letters B
dc.identifierhttps://arxiv.org/abs/0805.1858
dc.identifierhttp://arxiv.org/abs/0805.1858
dc.identifierPhys.Lett.B664:57-63,2008
dc.identifierdoi:10.1016/j.physletb.2008.05.003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198022
dc.subjectNuclear Theory
dc.titleSpin asymmetry for the 16O(gamma,pi- p) reaction in the Delta(1232) region within an effective Lagrangian approach
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