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Flavour-changing top decays in the aligned two-Higgs-doublet model

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Flavour-changing top decays in the aligned two-Higgs-doublet model

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dc.contributor.author	Abbas, Gauhar
dc.contributor.author	Celis Alas, Alejandro
dc.contributor.author	Li, X.Q.
dc.contributor.author	Lu, Jie
dc.contributor.author	Pich Zardoya, Antonio
dc.date.accessioned	2016-04-21T11:18:15Z
dc.date.available	2016-04-21T11:18:15Z
dc.date.issued	2015
dc.identifier.citation	Abbas, Gauhar Celis Alas, Alejandro Li, X.Q. Lu, Jie Pich Zardoya, Antonio 2015 Flavour-changing top decays in the aligned two-Higgs-doublet model Journal Of High Energy Physics 06 6 005 - 1 005 - 26
dc.identifier.uri	http://hdl.handle.net/10550/52963
dc.description.abstract	We perform a complete one-loop computation of the two-body flavour-changing top decays t --> ch and t --> cV (V = gamma, Z), within the aligned two-Higgs-doublet model. We evaluate the impact of the model parameters on the associated branching ratios, taking into account constraints from flavour data and measurements of the Higgs properties. Assuming that the 125 GeV Higgs corresponds to the lightest CP-even scalar of the CP-conserving aligned two-Higgs-doublet model, we find that the rates for such flavour-changing top decays lie below the expected sensitivity of the future high-luminosity phase of the LHC. Measurements of the Higgs signal strength in the di-photon channel are found to play an important role in limiting the size of the t --> ch decay rate when the charged scalar of the model is light.
dc.language.iso	eng
dc.relation.ispartof	Journal Of High Energy Physics, 2015, vol. 06, num. 6, p. 005 - 1-005 - 26
dc.subject	Física
dc.title	Flavour-changing top decays in the aligned two-Higgs-doublet model
dc.type	journal article	es_ES
dc.date.updated	2016-04-21T11:18:15Z
dc.identifier.doi	10.1007/JHEP06(2015)005
dc.identifier.idgrec	108350
dc.rights.accessRights	open access	es_ES