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http://hdl.handle.net/10261/126180
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Nieves, Juan Miguel | es_ES |
dc.contributor.author | García Recio, Carmen | es_ES |
dc.contributor.author | Geng, Li Sheng | es_ES |
dc.contributor.author | Salcedo, Lorenzo Luis | es_ES |
dc.contributor.author | Wang, En | es_ES |
dc.contributor.author | Xie, Jujun | es_ES |
dc.date.accessioned | 2015-11-30T11:21:18Z | - |
dc.date.available | 2015-11-30T11:21:18Z | - |
dc.date.issued | 2013-05-14 | - |
dc.identifier.citation | Physical Review - Section D - Particles and Fields 87 (9): 096006 - 18 (2013) | es_ES |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/126180 | - |
dc.description.abstract | We review and extend the model derived in Garcia-Recio et al. [Phys. Rev. D 83, 016007 (2011)] to address the dynamics of the low-lying even-parity meson resonances. This model is based on a coupled-channels spin-flavor extension of the chiralWeinberg-Tomozawa Lagrangian. This interaction is then used to study the S-wave meson-meson scattering involving members not only of the pi octet, but also of the rho nonet. In this work, we study in detail the structure of the SU(6)-symmetry-breaking contact terms that respect (or softly break) chiral symmetry. We derive the most general local (without involving derivatives) terms consistent with the chiral-symmetry-breaking pattern of QCD. After introducing sensible simplifications to reduce the large number of possible operators, we carry out a phenomenological discussion of the effects of these terms. We show how the inclusion of these pieces leads to an improvement of the description of the J(P) = 2(+) sector, without spoiling the main features of the predictions obtained in the original model in the JP = 0(+) and J(P) = 1(+) sectors. In particular, we find a significantly better description of the I-G(J(PC)) =0(+)(2(++)), 1(-)(2(++)) and the I(JP)=1/2(2(+)) sectors, which correspond to the f(2)(1270), a(2)(1320), and K-2(*)(1430) quantum numbers, respectively. | es_ES |
dc.description.sponsorship | This research was supported by the Spanish Ministerio de Economia y Competitividad and European FEDER funds under the contracts FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2011-24149 and the Spanish Consolider-Ingenio 2010 Programme CPAN (CSD2007-00042), by Generalitat Valenciana under contract PROME- TEO/2009/0090, by Junta de Andalucia grant FQM-225 and by the EU HadronPhysics2 project, grant agreement no. 227431. This work is also partly supported by the National Natural Science Foundation of China under grant numbers 11005007 and 11105126. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | American Physical Society | es_ES |
dc.relation.isversionof | Preprint | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Chiral perturbation theory | es_ES |
dc.subject | Invers Amplitude Method | es_ES |
dc.title | Low-lying even parity meson resonances and spin-flavor symmetry revisited | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1103/PhysRevD.87.096006 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevD.87.096006 | es_ES |
dc.identifier.e-issn | 1550-2368 | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.contributor.funder | Generalitat Valenciana | 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/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003359 | es_ES |
local.message.claim | 2023-12-20T14:40:06.394+0100|||rp15217|||submit_approve|||dc_contributor_author|||None | * |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
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Low-lying.pdf | 370,93 kB | Adobe PDF | Visualizar/Abrir |
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