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dc.contributor.author | Nagahiro, H. | - |
dc.contributor.author | Roca, Luis | - |
dc.contributor.author | Hosaka, A. | - |
dc.contributor.author | Oset, Eulogi | - |
dc.date.accessioned | 2009-08-14T11:13:32Z | - |
dc.date.available | 2009-08-14T11:13:32Z | - |
dc.date.issued | 2009-01-20 | - |
dc.identifier.citation | Phys.Rev.D79:014015,2009 | en_US |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/15985 | - |
dc.description | 24 pages, 6 tables, 11 figures.--ISI article identifier:000262979700040 .-- ArXiv pre-print avaible at:http://arxiv.org/abs/0809.0943 | en_US |
dc.description.abstract | The radiative decay of the axial-vector resonances into a pseudoscalar meson and a photon is studied using the vector meson Lagrangian obtained from the hidden gauge symmetry (HGS) formalism. The formalism is well suited to study this problem since it deals with pseudoscalar and vector mesons in a unified way, respecting chiral invariance. We show explicitly the gauge invariance of the set of diagrams that appear in the approach and evaluate the radiative decay width of the a(1)(1260) and b(1)(1235) axial-vector meson resonances into pi gamma. We also include the contribution of loops involving anomalous couplings and compare the results to those obtained previously within another formalism. | en_US |
dc.description.sponsorship | This work is partly supported by DGICYT Contract No. FIS2006-03438 and the JSPS-CSIC collaboration Agreement No. 2005JP0002, and Grant for Scientific Research of JSPS No. 188661. H. N. is supported by JSPS Research Fellowship for Young Scientists. A. H. is supported in part by the Grant for Scientific Research Contract No. 19540297 from the Ministry of Education, Culture, Science and Technology, Japan. This research is part of the EU Integrated Infrastructure Initiative Hadron Physics Project under Contract No. RII3-CT-2004-506078. | en_US |
dc.format.extent | 430633 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.title | Hidden gauge formalism for the radiative decays of axial-vector mesons | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevD.79.014015 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevD.79.014015 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
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nagahiro.pdf | 420,54 kB | Adobe PDF | Visualizar/Abrir |
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