We present a new method to analyze upcoming results in the search for CP violating neutrino oscillations. The CP violating amplitudes $\mathcal{A}_{\alpha\beta}^{kj}$ provide parametrization independent observables, which will be accessible by experiments soon. The strong prediction of a unique $\mathcal{A}_{\alpha\beta}^{kj}$ (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.
Volume 295 -
The 19th International Workshop on Neutrinos from Accelerators NUFACT2017 (NuFact2017) -
Working group 1: posters
Discriminating sterile neutrinos and unitarity violation with CP invariants
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Pre-published on:
December 30, 2017
Published on:
June 18, 2018
Abstract
DOI: https://doi.org/10.22323/1.295.0145
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.