Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-12-16
Phys.Rev.D57:5335-5339,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages
Scientific paper
10.1103/PhysRevD.57.5335
Renormalizable lepton number violating interactions that break R-parity can induce a Majorana mass for neutrinos. Based on this, we show that it is possible to obtain a phenomenologically viable neutrino mass matrix that can accommodate atmospheric neutrino data via $\nu_{\mu}$--$\nu_{\tau}$ mixing and the solar neutrino data via either the large or small angle MSW effect. We argue that such a mass matrix could result from an approximate discrete symmetry of the superpotential that forbids renormalizable baryon number violating couplings.
Drees Manuel
Pakvasa Sandip
Tata Xerxes
Veldhuis Tonnis ter
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