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dc.contributor.authorSolberg, M. Aa.nb_NO
dc.date.accessioned2014-12-19T13:19:06Z
dc.date.available2014-12-19T13:19:06Z
dc.date.created2013-10-24nb_NO
dc.date.issued2013nb_NO
dc.identifier659111nb_NO
dc.identifier.issn0954-3899nb_NO
dc.identifier.urihttp://hdl.handle.net/11250/247115
dc.description.abstractWe prove that a generic multi-Higgs-doublet model (NHDM) generally must contain terms in the potential that violate the custodial symmetry. This is done by showing that the O(4) violating terms of the NHDM potential cannot be excluded by imposing a symmetry on the NHDM Lagrangian. Hence we expect higher-order corrections to necessarily introduce such terms. We also note, in the case of custodially symmetric Higgs-quark couplings, that vacuum alignment will lead to up-down mass degeneration; this is not true if the vacua are not aligned.nb_NO
dc.languageengnb_NO
dc.publisherInstitute of Physics (IOP)nb_NO
dc.titleOn the terms violating the custodial symmetry in multi-Higgs-doublet modelsnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.pagenumber-25nb_NO
dc.source.volume40nb_NO
dc.source.journalJournal of Physics Gnb_NO
dc.source.issue065001nb_NO
dc.identifier.doi10.1088/0954-3899/40/6/065001nb_NO
dc.contributor.departmentNorges teknisk-naturvitenskapelige universitet, Fakultet for naturvitenskap og teknologi, Institutt for fysikknb_NO


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