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R-parity-conserving supersymmetry, neutrino mass, and neutrinoless double beta decay

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R-parity-conserving supersymmetry, neutrino mass, and neutrinoless double beta decay

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dc.contributor.author Hirsch, Martin
dc.contributor.author Klapdor-Kleingrothaus, H.V.
dc.contributor.author Kovalenko, S.G.
dc.date.accessioned 2014-08-27T10:46:49Z
dc.date.available 2014-08-27T10:46:49Z
dc.date.issued 1998
dc.identifier.citation Hirsch, Martin Klapdor-Kleingrothaus, H.V. Kovalenko, S.G. 1998 R-parity-conserving supersymmetry, neutrino mass, and neutrinoless double beta decay Physical Review D 57 3 1947 1961
dc.identifier.uri http://hdl.handle.net/10550/37428
dc.description.abstract We consider contributions of R-parity-conserving softly broken supersymmetry (SUSY) to neutrinoless double beta (O nu beta beta) decay via the (B-L)-violating sneutrino mass term. The latter is a generic ingredient of any weak-scale SUSY model with Majorana neutrino mass. The new R-parity-conserving SUSY contributions to O nu beta beta are realized at the level of box diagrams. We derive the effective Lagrangian describing the SUSY-box mechanism of O nu beta beta decay and the corresponding nuclear matrix elements. The one loop sneutrino contribution to the Majorana neutrino mass is also derived. Given the data on the O nu beta beta decay half-life of Ge-76 and the neutrino mass we obtain constraints on the (B-L)-violating sneutrino mass. These constraints leave room for accelerator searches for certain manifestations of the second and third generation (B-L)-violating sneutrino mass term, but are most probably too tight for first generation (B-L)-violating sneutrino masses to be searched for directly.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 1998, vol. 57, num. 3, p. 1947-1961
dc.subject Física
dc.title R-parity-conserving supersymmetry, neutrino mass, and neutrinoless double beta decay
dc.type journal article es_ES
dc.date.updated 2014-08-27T10:46:49Z
dc.identifier.doi 10.1103/PhysRevD.57.1947
dc.identifier.idgrec 098968
dc.rights.accessRights open access es_ES

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