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http://hdl.handle.net/10261/126949
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Ramos, Àngels | es_ES |
dc.contributor.author | Oset, Eulogi | es_ES |
dc.date.accessioned | 2015-12-16T08:40:47Z | - |
dc.date.available | 2015-12-16T08:40:47Z | - |
dc.date.issued | 2013-11 | - |
dc.identifier.citation | Physics Letters - Section B 727 (1-3): 287-292 (2013) | es_ES |
dc.identifier.issn | 0370-2693 | - |
dc.identifier.uri | http://hdl.handle.net/10261/126949 | - |
dc.description.abstract | We have studied the gamma p -> K-0 Sigma(+) reaction in the energy region around the K*Lambda and K*Sigma thresholds, where the CBELSA/TAPS cross section shows a sudden drop and the differential cross section experiences a transition from a forward-peaked distribution to a flat one. Our coupled-channel model incorporates the dynamics of the vector meson-baryon interaction which is obtained from the hidden gauge formalism. We find that the cross section in this energy region results from a delicate interference between amplitudes having K*Lambda and K*Sigma intermediate states. The sharp downfall is dictated by the presence of a nearby N* resonance produced by our model, a feature that we have employed to predict its properties. We also show results for the complementary gamma n -> K-0 Sigma(0) reaction, the measurement of which would test the mechanism proposed in this work. | es_ES |
dc.description.sponsorship | This work is partly supported by the Spanish Ministerio de Economia y Competitividad and European FEDER funds under the contract numbers FIS2011-28853-C02-01 and FIS2011-24154, by the Generalitat Valenciana in the program Prometeo 2009/090, and by Grant No. 2009SGR-1289 from the Generalitat de Catalunya. We also acknowledge the support of the Consolider Ingenio 2010 Programme CPAN CSD2007-00042 and of the European Community - Research Infrastructure Integrating Activity Study of Strongly Interacting Matter (acronym HadronPhysics3, Grant Agreement No. 283286) under the Seventh Framework Programme of EU. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.isversionof | Preprint | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Photoproduction | es_ES |
dc.title | The role of vector-baryon channels and resonances in the gamma p -> K-0 Sigma(+) and gamma n -> K-0 Sigma(0) reactions near the K*Lambda threshold | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.physletb.2013.10.012 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.physletb.2013.10.012 | es_ES |
dc.identifier.e-issn | 1873-2445 | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | Generalitat Valenciana | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.contributor.funder | Generalitat de Catalunya | es_ES |
dc.contributor.funder | Centro Nacional de Física de Partículas, Astropartículas y Nuclear (España) | es_ES |
dc.relation.csic | Sí | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003359 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002809 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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The role.pdf | 222,19 kB | Adobe PDF | Visualizar/Abrir |
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