The matter fluctuation effect to T violation at a neutrino factory

Details The matter fluctuation effect to T violation at a neutrino factory The matter fluctuation effect to T violation at a neutrino factory

2001-06-08

arxiv.org/abs/hep-ph/0106086v1

Phys.Rev. D64 (2001) 073017

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 10 figures

Scientific paper

10.1103/PhysRevD.64.073017

We derived an analytic formula for T violation by using the perturbation theory for small quantities, $\Delta m_{21}^2L/2E$ and $\delta a(x)L/2E$, where $\delta a(x)$ represents symmetric and asymmetric matter fluctuations, i.e., deviations from the average density. We analyzed the effect of matter fluctuations to T violation, by assuming PREM profile of earth matter density. We found that matter fluctuations do not give any viable contribution for $L<$6000km, while the fluctuation effect becomes large due to resonances for $L>$7000km. For 7000km$$8000km, the contribution from matter fluctuations becomes large but contributes constructively.

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