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dc.contributor.author | Pich, Antonio | - |
dc.contributor.author | Rosell, Ignasi | - |
dc.contributor.author | Sanz-Cillero, Juan José | - |
dc.date.accessioned | 2014-05-13T09:46:41Z | - |
dc.date.available | 2014-05-13T09:46:41Z | - |
dc.date.issued | 2014-01-28 | - |
dc.identifier.citation | Journal of High Energy Physics 2014: 157 (2014) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/96574 | - |
dc.description.abstract | Using a general effective Lagrangian implementing the chiral symmetry breaking SU(2) L ⊗ SU(2) R → SU(2) L+R , we present a one-loop calculation of the oblique S and T parameters within electroweak strongly-coupled models with a light scalar. Imposing a proper ultraviolet behaviour, we determine S and T at next-to-leading order in terms of a few resonance parameters. The constraints from the global fit to electroweak precision data force the massive vector and axial-vector states to be heavy, with masses above the TeV scale, and suggest that the W + W − and ZZ couplings of the Higgs-like scalar should be close to the Standard Model value. Our findings are generic, since they only rely on soft requirements on the short-distance properties of the underlying strongly-coupled theory, which are widely satisfied in more specific scenarios. | es_ES |
dc.description.sponsorship | This work has been supported in part by the Spanish Government and ERDF funds from the European Commission [grants FPA2010-17747, FPA2011-23778, AIC-D-2011-0818, SEV-2012-0249 (Severo Ochoa Program), CSD2007-00042 (Consolider Project CPAN)], the Generalitat Valenciana [PrometeoII/2013/007] and the Comunidad de Madrid [HEPHACOS S2009/ESP-1473]. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Springer Nature | es_ES |
dc.relation.isversionof | Publisher's version | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Higgs Physics | es_ES |
dc.subject | Beyond Standard Model | es_ES |
dc.subject | Chiral lagrangians | es_ES |
dc.subject | Technicolor and Composite Models | es_ES |
dc.title | Oblique S and T constraints on electroweak strongly-coupled models with a light Higgs | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1007/JHEP01(2014)157 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1007/JHEP01(2014)157 | es_ES |
dc.identifier.e-issn | 1029-8479 | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | es_ES |
dc.contributor.funder | SCOAP | - |
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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electroweak_models_Pich.pdf | 1,44 MB | Adobe PDF | Visualizar/Abrir |
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