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Neutrino masses and mixing in $\mu\nu$ SSM

Pradipta Ghosh
(
- IACS, Kolkata
)

Oct, 2010

6 pages

Part of Proceedings, 16th International Symposium on Particles, strings and cosmology (PASCOS 2010) : Valencia, Spain, July 19-23, 2010

Published in:

J.Phys.Conf.Ser. 259 (2010) 012063

Contribution to:

- PASCOS 2010

e-Print:

1010.2578 [hep-ph]

DOI:

10.1088/1742-6596/259/1/012063

View in:

ADS Abstract Service

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Abstract: (arXiv)

\mu\nu

SSM is an

R

-parity violating non-minimal supersymmetric model which uses right chiral neutrino superfields to solve the

\mu

-problem. The

R

-parity violation together with a TeV scale seesaw mechanism using right handed neutrinos are instrumental for the light neutrino mass generation in

\mu\nu

SSM. We show that it is possible to accommodate three flavour global neutrino data in

\mu\nu

SSM with three massive neutrinos at the tree level. Ingression of the one-loop corrections to neutrino masses and mixing shows certain variations over the tree level analysis depending on the specific hierarchy of neutrino masses involved. In

\mu\nu

SSM some of the

R

-parity violating decay branching ratios of the lightest neutralino show nice correlation with certain neutrino mixing angle. These correlations along with the presence of displaced vertices in the decay of the lightest neutralino can be further investigated as a test of

\mu\nu

SSM in collider experiments.

neutrino: mass: hierarchy
neutrino: mass generation
neutrino: right-handed
neutrino: mixing
tree approximation
supersymmetry
seesaw model
R parity
mu-problem

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