Seminars IFIC

# Discriminating direct and indirect unitarity violation with CP invariants in neutrino oscillation

## by Mr. Philipp Sicking

1001-Primera-1-1-1 - Paterna. Seminario (Universe)

### 1001-Primera-1-1-1 - Paterna. Seminario

#### Universe

30
Description
After a short introduction into Neutrino oscillation with unitarity violation, we present a new method to analyze upcoming results in the search for CP violating neutrino oscillations: The CP violating amplitudes $\mathcal{A}^kj_{\alpha\beta}$ provide parametrization independent observables, which will be accessible by experiments soon. The strong prediction of a unique $\mathcal{A}^kj_{\alpha\beta}$ (the Jarlskog invariant) in case of the standard three neutrino model does not hold in models with new physics beyond the Standard Model. Nevertheless there are still correlations among the amplitudes depending on the specific model. Due to these correlations it is possible to reject specific new physics models by determining only 3 of the CP violating amplitudes.
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