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Higgs effective potential in the littlest Higgs model at the one-loop level

dc.contributor.authorDobado González, Antonio
dc.contributor.authorTabares Cheluci, Lourdes
dc.contributor.authorPeñaranda , Siannah
dc.date.accessioned2023-06-20T10:35:55Z
dc.date.available2023-06-20T10:35:55Z
dc.date.issued2007-04
dc.description© 2007 The American Physical Society. This work is supported by DGICYT (Spain) under Project No. BPA2005-02327. The work of S. P. is supported by the I3P-Contract of CSIC at IFIC—Instituto de Física Corpuscular, Valencia. The work of L. TabaresCheluci is supported by a FPU grant from the Spanish M.E.C.
dc.description.abstractIn this work we compute the contributions to the Higgs effective potential coming from the fermion and gauge boson sectors at the one-loop level in the context of the SU(5)/SO(5) littlest Higgs (LH) model using a cutoff Lambda and including all finite parts. We consider both, the (SU(2) x U(1))(1) x (SU(2) x U(1))(2) and the (SU(2) x U(1))(1) x (SU(2) x U(1)) gauge group versions of the LH model. We also show that the Goldstone bosons present in the model do not contribute to the effective potential at the one-loop level. Finally, by neglecting the contribution of higher dimensional operators, we discuss the restrictions that the new one-loop contributions set on the parameter space of the LH model and the need to include higher loop corrections to the Higgs potential.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipDGICYT (Spain)
dc.description.sponsorshipInstituto de Física Corpuscular, Valencia
dc.description.sponsorshipFPU grant from the Spanish M.E.C.
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/21931
dc.identifier.doi10.1103/PhysRevA.75.083527
dc.identifier.issn1550-7998
dc.identifier.officialurlhttp://prd.aps.org/abstract/PRD/v75/i8/e083527
dc.identifier.relatedurlhttp://prd.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/50715
dc.issue.number8
dc.journal.titlePhysical Review D
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDBPA2005-02327
dc.relation.projectIDI3P-CSIC
dc.rights.accessRightsopen access
dc.subject.cdu53
dc.subject.keywordChiral Perturbation-Theory
dc.subject.keywordSupersymmetry
dc.subject.keywordSymmetry
dc.subject.ucmFísica (Física)
dc.subject.unesco22 Física
dc.titleHiggs effective potential in the littlest Higgs model at the one-loop level
dc.typejournal article
dc.volume.number75
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relation.isAuthorOfPublication.latestForDiscovery16523fad-99a9-422c-9a8e-c949ccffadec

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