Optimizing T-violating Effects for Neutrino Oscillations in Matter
arXiv:hep-ph/0011247 · doi:10.1016/S0370-2693(01)00111-3
Abstract
Matter effects may strongly enhance the Jarlskog factor J in T and CP-violating three-neutrino oscillation probabilities. However, we show that when J is enhanced, the same matter effects suppress the oscillating factors and increase the oscillation length. The net result is that there is no large enhancement in measurable probabilities for earth-bound experiments using neutrino parameters suggested by current experiments. We show that by an appropriate choice of the experimental parameters, neutrino energy and travel length, the T-violating probability can be enhanced by matter effects over their vacuum values by 50%. Our approach is analytical, allowing considerable insight into the underlying physics.
16 pages, Latex, 4 postscript figures, minor changes plus added references
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