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Neutrinoless double beta decay in supersymmetry with bilinear R-parity breaking

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Neutrinoless double beta decay in supersymmetry with bilinear R-parity breaking

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dc.contributor.author Hirsch, Martin
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2014-08-27T10:57:06Z
dc.date.available 2014-08-27T10:57:06Z
dc.date.issued 1999
dc.identifier.citation Hirsch, Martin Furtado Valle, José Wagner 1999 Neutrinoless double beta decay in supersymmetry with bilinear R-parity breaking Nuclear Physics B 557 1-2 60 78
dc.identifier.uri http://hdl.handle.net/10550/37431
dc.description.abstract We reanalyze the contributions to neutrinoless double beta ($\znbb$) decay from supersymmetry with explicit breaking of R-parity. Although we keep both bilinear and trilinear terms, our emphasis is put on bilinear R-parity breaking terms, because these mimic more closely the models where the breaking of R-parity is spontaneous. Comparing the relevant Feynman diagrams we conclude that the usual mass mechanism of double beta decay is the dominant one. From the non-observation of $\znbb$ decay we set limits on the bilinear R-parity breaking parameters of typically a (few) 100 keV. Despite such stringent bounds, we stress that the magnitude of R-parity violating phenomena that can be expected at accelerator experiments can be very large, since they involve mainly the third generation, while $\znbb$ decay constrains only the first generation couplings.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics B, 1999, vol. 557, num. 1-2, p. 60-78
dc.subject Física
dc.title Neutrinoless double beta decay in supersymmetry with bilinear R-parity breaking
dc.type journal article es_ES
dc.date.updated 2014-08-27T10:57:06Z
dc.identifier.doi 10.1016/S0550-3213(99)00368-5
dc.identifier.idgrec 073522
dc.rights.accessRights open access es_ES

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