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Towards a general analysis of LHC data within two-Higgs-doublet models

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Towards a general analysis of LHC data within two-Higgs-doublet models

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dc.contributor.author Celis Alas, Alejandro
dc.contributor.author Ilisie, Victor
dc.contributor.author Pich Zardoya, Antonio
dc.date.accessioned 2014-02-21T10:02:23Z
dc.date.available 2014-02-21T10:02:23Z
dc.date.issued 2013
dc.identifier.citation Celis Alas, Alejandro Ilisie, V. Pich Zardoya, Antonio 2013 Towards a general analysis of LHC data within two-Higgs-doublet models Journal of High Energy Physics 12 12 095
dc.identifier.uri http://hdl.handle.net/10550/33154
dc.description.abstract The data accumulated so far confirm the Higgs-like nature of the new boson discovered at the LHC. The Standard Model Higgs hypothesis is compatible with the collider results and no significant deviations from the Standard Model have been observed neither in the flavour sector nor in electroweak precision observables. We update the LHC and Tevatron constraints on CP-conserving two-Higgs-doublet models without tree-level flavour-changing neutral currents. While the relative sign between the top Yukawa and the gauge coupling of the 126 GeV Higgs is found be the same as in the SM, at 90% CL, there is a sign degeneracy in the determination of its bottom and tau Yukawa couplings. This results in several disjoint allowed regions in the parameter space. We show how generic sum rules governing the scalar couplings determine the properties of the additional Higgs bosons in the different allowed regions. The role of electroweak precision observables, low-energy flavour constraints and LHC searches for additional scalars to further restrict the available parameter space is also discussed.
dc.relation.ispartof Journal of High Energy Physics, 2013, vol. 12, num. 12, p. 095
dc.subject Partícules (Física nuclear)
dc.subject Acceleradors de partícules
dc.title Towards a general analysis of LHC data within two-Higgs-doublet models
dc.type journal article es_ES
dc.date.updated 2014-02-21T10:02:23Z
dc.identifier.doi 10.1007/JHEP12(2013)095
dc.identifier.idgrec 093212
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1007/JHEP12(2013)095

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