Spontaneous CP Violating Phase as the Phase in PMNS Matrix

Details Spontaneous CP Violating Phase as the Phase in PMNS Matrix Spontaneous CP Violating Phase as the Phase in PMNS Matrix

2010-10-25

arxiv.org/abs/1010.5204v1

Eur.Phys.J.C71:1598,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 3 figures

Scientific paper

10.1140/epjc/s10052-011-1598-1

We study the possibility of identifying the CP violating phases in the PMNS mixing matrix in the lepton sector and also that in the CKM mixing matrix in the quark sector with the phase responsible for the spontaneous CP violation in the Higgs potential, and some implications. Since the phase in the CKM mixing matrix is determined by experimental data, the phase in the lepton sector is therefore also fixed. The mass matrix for neutrinos is constrained leading to constraints on the Jarlskog CP violating parameter $J$, and the effective mass $$ for neutrinoless double beta decay. The Yukawa couplings are also constrained. Different ways of identifying the phases have different predictions for $\mu \to e e\bar e$ and $\tau \to l_1 l_2 \bar l_3$. Future experimental data can be used to distinguish different models.

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