DISCRETE '08: Symposium on Prospects in the Physics of Discrete Symmetries

Analytical description of the Earth matter effect on neutrino oscillations

13 Dec 2008, 17:35

20m

CERN

Parallel Session B. Neutrino mass mixing and CP-I

Speaker

Juan C. D'Olivo (Universidad de Mexico)

Description

We present an analytical description of neutrino oscillations in matter based on the Magnus expansion of the time evolution operator. The approximated expressions obtained for the case of two neutrino mixing that propagate in the Earth potential, give considerably better results and in a wider energy range than the perturbative expressions existing in the literature. We apply our formalism to the cases of low and high energy neutrinos which are relevant for the next generation of neutrino detectors.

Presentation materials

Paper

http://iopscience.iop.org/1742-6596/171/1/012071

Slides

Discrete08_DOlivo.pdf