Large matter effects in νμ → ντ oscillations

Gandhi, Raj ; Ghoshal, Pomita ; Goswami, Srubabati ; Mehta, Poonam ; Sankar, S. Uma (2005) Large matter effects in νμ → ντ oscillations Physical Review Letters, 94 (5). Article ID 051801. ISSN 0031-9007

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We show that matter effects change the νμ → ντ oscillation probability by as much as 70% for certain ranges of energies and path lengths. Consequently, the νμ → νμ survival probability also undergoes large changes. A proper understanding of νμ survival rates must consider matter effects in Pμτ as well as Pμe. We comment on (a) how these matter effects may be observed and the sign of Δ31 determined in atmospheric neutrino measurements and at neutrino factories, and (b) how they lead to heightened sensitivity for small θ13.

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Source:Copyright of this article belongs to American Physical Society.
ID Code:108753
Deposited On:01 Feb 2018 04:46
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