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Supernova bounds on Majoron-emitting decays of light neutrinos
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Supernova bounds on Majoron-emitting decays of light neutrinos
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| dc.contributor.author | Kachelriess, Michael | |
| dc.contributor.author | Tomàs, Ricard | |
| dc.contributor.author | Furtado Valle, José Wagner | |
| dc.date.accessioned | 2015-10-22T11:26:40Z | |
| dc.date.available | 2015-10-22T11:26:40Z | |
| dc.date.issued | 2000 | |
| dc.identifier.citation | Kachelriess, Michael Tomàs, Ricard Furtado Valle, José Wagner 2000 Supernova bounds on Majoron-emitting decays of light neutrinos Physical Review D 62 2 023004 | |
| dc.identifier.uri | http://hdl.handle.net/10550/47867 | |
| dc.description.abstract | Neutrino masses arising from the spontaneous violation of ungauged lepton-number are accompanied by a physical Goldstone boson, generically called Majoron. In the high-density supernova medium the effects of Majoron-emitting neutrino decays are important even if they are suppressed in vacuo by small neutrino masses and/or small off-diagonal couplings. We reconsider the influence of these decays on the neutrino signal of supernovae in the light of recent Super-Kamiokande data on solar and atmospheric neutrinos. We find that majoron-neutrino coupling constants in the range $3\times 10^{-7}\lsim g\lsim 2\times 10^{-5}$ or $g \gsim 3 \times 10^{-4}$ are excluded by the observation of SN1987A. Then we discuss the potential of Superkamiokande and the Sudbury Neutrino Observatory to detect majoron neutrino interactions in the case of a future galactic supernova. We find that these experiments could probe majoron neutrino interactions with improved sensitivity. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2000, vol. 62, num. 2, p. 023004 | |
| dc.subject | Física | |
| dc.title | Supernova bounds on Majoron-emitting decays of light neutrinos | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-10-22T11:26:40Z | |
| dc.identifier.doi | 10.1103/PhysRevD.62.023004 | |
| dc.identifier.idgrec | 072177 | |
| dc.rights.accessRights | open access | es_ES |
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