Münster 2017 – scientific programme
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T: Fachverband Teilchenphysik
T 87: Neutrinophysik (Theorie)
T 87.2: Talk
Wednesday, March 29, 2017, 17:00–17:15, VSH 05
Discriminating sterile neutrinos and unitarity violation with CP invariants — •Philipp Sicking and Heinrich Päs — TU Dortmund
We present a new method to analyze upcoming results in the search for CP violating neutrino oscillations. The CP violating amplitudes Aαβkj provide parametrization independent observables, which will be accessible by experiments soon. The strong prediction of a unique Aαβkj, 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 model by determining only 3 of the CP violating amplitudes.