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Optimizing T-violating Effects for Neutrino Oscillations in Matter

Stephen J. Parke·Thomas J. Weiler
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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.

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Stephen J. Parke, Thomas J. Weiler. 2001-01-05. Optimizing T-violating Effects for Neutrino Oscillations in Matter. https://doi.org/10.1016/s0370-2693(01)00111-3

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