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Quark Effects, Meson Exchange Currents and Background in the d(e,e'p)Delta Reaction

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Quark Effects, Meson Exchange Currents and Background in the d(e,e'p)Delta Reaction

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dc.contributor.author Gómez-Tejedor, José-Antonio es_ES
dc.contributor.author Oset, E. es_ES
dc.date.accessioned 2020-09-24T12:30:25Z
dc.date.available 2020-09-24T12:30:25Z
dc.date.issued 1994-12-19 es_ES
dc.identifier.issn 0375-9474 es_ES
dc.identifier.uri http://hdl.handle.net/10251/150679
dc.description.abstract [EN] We have studied in detail the cross section for the d(e, e'p)Delta reaction leading to the emission of a fast nucleon and a Delta at rest, which has been advocated as a tool to investigate quark effects in nuclei. We find that ordinary meson-exchange currents mechanisms dominate the quark-exchange effects in the region of excitation of the Delta and could be competitive at higher energies. Furthermore, at these higher energies, the small cross sections for the quark signal, together with the presence of a background about one order of magnitude bigger than the quark signal, make in any case the extraction of information about quark-exchange currents effects extraordinarily difficult. es_ES
dc.description.sponsorship We would like to acknowledge Dr. L.Ya. Glozman for providing us with th DeltaDelta wave function and its normalization and for multiple discussions. We also thank Professor A. Faessler for discussions. One of us, J.A.G., wishes to acknowledge financial help from IVEI and E.O. from Humbold Foundation. This work is partially supported by CICYT, contract number AEN 93-1205. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Nuclear Physics A es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Deuteron es_ES
dc.subject Model es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.title Quark Effects, Meson Exchange Currents and Background in the d(e,e'p)Delta Reaction es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/0375-9474(94)90782-X es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEC//AEN93-1205/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.description.bibliographicCitation Gómez-Tejedor, J.; Oset, E. (1994). Quark Effects, Meson Exchange Currents and Background in the d(e,e'p)Delta Reaction. Nuclear Physics A. 580(4):577-594. https://doi.org/10.1016/0375-9474(94)90782-X es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/0375-9474(94)90782-X es_ES
dc.description.upvformatpinicio 577 es_ES
dc.description.upvformatpfin 594 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 580 es_ES
dc.description.issue 4 es_ES
dc.relation.pasarela S\16408 es_ES
dc.contributor.funder Alexander von Humboldt Foundation es_ES
dc.contributor.funder Institución Valenciana de Estudios e Investigación es_ES
dc.contributor.funder Ministerio de Educación y Ciencia es_ES


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