Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-01-12
Phys.Rev.D79:093003,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, 3 figures, version to be published in Phys.Rev.D
Scientific paper
10.1103/PhysRevD.79.093003
The CP asymmetry in neutrino oscillations, assuming new physics at production and/or detection processes, is analyzed. We compute this CP asymmetry using the standard quantum field theory within a general new physics scenario that may generate new sources of CP and flavor violation. Well known results for the CP asymmetry are reproduced in the case of V -A operators, and additional contributions from new physics operators are derived. We apply this formalism to SUSY extensions of the Standard Model where the contributions from new operators could produce a CP asymmetry observable in the next generation of neutrino experiments.
Castro Gabriel Lopez
Delepine David
Khalil Shaaban
Macias Vannia Gonzalez
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