17–22 Aug 2009
Europe/Berlin timezone

Topological phase in two flavor neutrino oscillations

18 Aug 2009, 14:00
1m
Poster Session Poster Session

Speaker

Dr POONAM MEHTA (RAMAN RESEARCH INSTITUTE)

Please give a brief summary of your poster

We show that the phase appearing in neutrino flavor oscillation formulae has a geometric and topological contribution. We identify a topological phase
appearing in the two flavor neutrino oscillation formula using
Pancharatnam's prescription of quantum collapses between
nonorthogonal states. Such quantum collapses appear naturally in
the expression for appearance and survival probabilities of
neutrinos. Our analysis applies to neutrinos propagating in vacuum
or through matter. For the minimal case of two flavors with CP
conservation, our study shows for the first time that there is a
geometric interpretation of the neutrino oscillation formulae for
the detection probability of neutrino species.

Primary author

Dr POONAM MEHTA (RAMAN RESEARCH INSTITUTE)

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