10-16 June 2018
Dalhousie University
America/Halifax timezone
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POS-47 Anarchy and rephasing invariants for neutrinos

12 Jun 2018, 18:00
1h 30m
SUB McInnes Hall (Dalhousie University)

SUB McInnes Hall

Dalhousie University


Nicolas Giasson (Université Laval)


The implications of the anarchy principle on CP violation in the lepton sector are investigated. A systematic method is introduced to compute the probability density functions for the CP-violating rephasing invariants of the PMNS matrix from the Haar measure relevant to the anarchy principle. Contrary to the CKM matrix which is hierarchical, it is shown that the Haar measure, and hence the anarchy principle, are very likely to lead to the observed PMNS matrix. Predictions on the CP-violating Dirac and Majorana rephasing invariant are also obtained. They are in agreement with the experimental hint from T2K for the normal (or inverted) hierarchy.

Primary authors

Luc Marleau (Université Laval) Jean-Francois Fortin (Laval University) Nicolas Giasson (Université Laval)

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