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A(4)-based neutrino masses with Majoron decaying dark matter

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A(4)-based neutrino masses with Majoron decaying dark matter

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dc.contributor.author	Esteves, J. N.
dc.contributor.author	Joaquim, F.R.
dc.contributor.author	Joshipura, Anjan S.
dc.contributor.author	Romao, J. C.
dc.contributor.author	Tórtola Baixauli, María Amparo
dc.contributor.author	Furtado Valle, José Wagner
dc.date.accessioned	2015-09-28T12:07:13Z
dc.date.available	2015-09-28T12:07:13Z
dc.date.issued	2010
dc.identifier.citation	Esteves, J. N. Joaquim, F.R. Joshipura, Anjan S. Romao, J. C. Tórtola Baixauli, María Amparo Furtado Valle, José Wagner 2010 A(4)-based neutrino masses with Majoron decaying dark matter Physical Review D 82 7 073008
dc.identifier.uri	http://hdl.handle.net/10550/47381
dc.description.abstract	We propose an A_4 flavor-symmetric SU(3)xSU(2)xU(1) seesaw model where lepton number is broken spontaneously. A consistent two-zero texture pattern of neutrino masses and mixing emerges from the interplay of type-I and type-II seesaw contributions, with important phenomenological predictions. We show that, if the Majoron becomes massive, such seesaw scenario provides a viable candidate for decaying dark matter, consistent with cosmic microwave background lifetime constraints that follow from current WMAP observations. We also calculate the sub-leading one-loop-induced decay into photons which leads to a mono-energetic emission line that may be observed in future X-ray missions such as Xenia.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2010, vol. 82, num. 7, p. 073008
dc.subject	Física
dc.title	A(4)-based neutrino masses with Majoron decaying dark matter
dc.type	journal article	es_ES
dc.date.updated	2015-09-28T12:07:14Z
dc.identifier.doi	10.1103/PhysRevD.82.073008
dc.identifier.idgrec	065106
dc.rights.accessRights	open access	es_ES