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X-ray photons from late-decaying majoron dark matter

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X-ray photons from late-decaying majoron dark matter

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dc.contributor.author Bazzocchi, F.
dc.contributor.author Lattanzi, Massimiliano
dc.contributor.author Riemer-Sorensen, Signe
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2015-09-30T09:31:19Z
dc.date.available 2015-09-30T09:31:19Z
dc.date.issued 2008
dc.identifier.citation Bazzocchi, F. Lattanzi, Massimiliano Riemer-Sorensen, Signe Furtado Valle, José Wagner 2008 X-ray photons from late-decaying majoron dark matter Journal Of Cosmology And Astroparticle Physics 2008 8 013
dc.identifier.uri http://hdl.handle.net/10550/47463
dc.description.abstract An attractive way to generate neutrino masses as required to account for current neutrino oscillation data involves the spontaneous breaking of lepton number. The resulting majoron may pick up a mass due to gravity. If its mass lies in the kilovolt scale, the majoron can play the role of late-decaying Dark Matter (LDDM), decaying mainly to neutrinos. In general the majoron has also a sub-dominant decay to two photons leading to a mono-energetic emission line which can be used as a test of the LDDM scenario. We compare expected photon emission rates with observations in order to obtain model independent restrictions on the relevant parameters. We also illustrate the resulting sensitivities within an explicit seesaw realisation, where the majoron couples to photons due to the presence of a Higgs triplet.
dc.language.iso eng
dc.relation.ispartof Journal Of Cosmology And Astroparticle Physics, 2008, vol. 2008, num. 8, p. 013
dc.subject Física
dc.title X-ray photons from late-decaying majoron dark matter
dc.type journal article es_ES
dc.date.updated 2015-09-30T09:31:19Z
dc.identifier.doi 10.1088/1475-7516/2008/08/013
dc.identifier.idgrec 048302
dc.rights.accessRights open access es_ES

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