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dc.contributor.author | Catà, Óscar | en_US |
dc.contributor.author | Mathieu, Vincent | en_US |
dc.date.accessioned | 2008-12-10T12:10:22Z | - |
dc.date.available | 2008-12-10T12:10:22Z | - |
dc.date.issued | 2007-09-19 | en_US |
dc.identifier.citation | Journal of High Energy Physics 9: 078 (2007) | en_US |
dc.identifier.citation | JHEP09(2007)078 | - |
dc.identifier.issn | 1126-6708 | en_US |
dc.identifier.uri | http://hdl.handle.net/10261/9063 | - |
dc.description | 23 pages, 1 figure.-- ISI Article Identifier: 000249788800051.-- ArXiv pre-print available at: http://arxiv.org/abs/0705.2948 | en_US |
dc.description.abstract | We construct the most general chirally invariant Lagrangian for mesons in the presence of external sources coupled to the tensor current Ψ over-bar σ(μv) Ψ. In order to have only even terms in the chiral expansion, we consider the new source of O(p^2). With this choice, we build the even-parity effective Lagrangian up to the p^6-order (NLO). While there are only 4 new terms at the p^4-order, at p^6-order we find 78 terms for n(f) = 2 and 113 terms for n(f) = 3. We provide a detailed discussion on the different mechanisms that ensure that our final set of operators is complete and non-redundant. We also examine the odd-parity sector, to conclude that the first operators appear at the p^8-order (NNLO). | en_US |
dc.description.sponsorship | The work of O. C. is supported by the Fulbright Program and the Spanish Ministry of Education and Science under grant no. FU2005-0791. The work of V. M. is supported by a FPU contract (MEC). This work has been supported in part by the EU MRTN-CT-2006-035482 (FLAVIAnet), by MEC (Spain) under grant FPA2004-00996 and by Generalitat Valenciana under grant GVACOMP2007-156. | - |
dc.format.extent | 2373 bytes | - |
dc.format.mimetype | text/plain | - |
dc.language.iso | eng | en_US |
dc.publisher | International School for Advanced Studies | en_US |
dc.publisher | Institute of Physics Publishing | - |
dc.rights | openAccess | en_US |
dc.subject | Chiral lagrangians | en_US |
dc.subject | QCD | en_US |
dc.subject | Spontaneous symmetry breaking | en_US |
dc.subject | Nonperturbative effects | en_US |
dc.title | Chiral perturbation theory with tensor sources | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1088/1126-6708/2007/09/078 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1088/1126-6708/2007/09/078 | en_US |
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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jhep092007078.pdf | 264,35 kB | Adobe PDF | Visualizar/Abrir |
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