On the exact formula for neutrino oscillation probability by Kimura, Takamura and Yokomakura

Abstract

The exact formula for the neutrino oscillation probability in matter with constant density, which was discovered by Kimura, Takamura and Yokomakura, has been applied mostly to the standard case with three flavor neutrino so far. In this paper applications of their formula to more general cases are discussed. It is shown that this formalism can be generalized to various cases where the matter potential have off-diagonal components, and the two non-trivial examples are given: the case with magnetic moments and a magnetic field and the case with non-standard interactions. It is pointed out that their formalism can be applied also to the case in the long baseline limit with matter whose density varies adiabatically as in the case of solar neutrino.

17 pages, no figure. uses revtex4; Two references were added and abstract, the structure of the chapters, conclusions, etc. were slightly changed due to addition of these references

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