New leptoquark mechanism of neutrinoless double beta decay
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New leptoquark mechanism of neutrinoless double beta decay

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New leptoquark mechanism of neutrinoless double beta decay

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Hirsch, Martin; Klapdor-Kleingrothaus, H.V.; Kovalenko, S.G.
This document is a artículoDate1996

Este documento está disponible también en : http://hdl.handle.net/10550/37425
A new mechanism for neutrinoless double beta (0 nu beta beta) decay based on leptoquark exchange is discussed. Because of the specific helicity structure of the effective four-fermion interaction this contribution is strongly enhanced compared to the well-known mass mechanism of 0 nu beta beta decay. As a result the corresponding leptoquark parameters are severely constrained from nonobservation of 0 nu beta beta decay. These constraints are more stringent than those derived from other experiments.

    Hirsch, Martin Klapdor-Kleingrothaus, H.V. Kovalenko, S.G. 1996 New leptoquark mechanism of neutrinoless double beta decay Physical Review D 54 7 R4207 R4210
http://dx.doi.org/10.1103/PhysRevD.54.R4207

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