Cobimaximal neutrino mixing from A4 and its possible deviation

Ernest Ma; G. Rajasekaran

doi:10.1209/0295-5075/119/31001

All issues

Volume 119 / No 3 (August 2017)

EPL, 119 3 (2017) 31001

Abstract

Issue		EPL Volume 119, Number 3, August 2017


Article Number		31001
Number of page(s)		5
Section		The Physics of Elementary Particles and Fields
DOI		https://doi.org/10.1209/0295-5075/119/31001
Published online		06 October 2017

EPL, 119 (2017) 31001

Cobimaximal neutrino mixing from A₄ and its possible deviation

Ernest Ma¹^(a) and G. Rajasekaran²^,3^(b)

¹ Physics & Astronomy Department and Graduate Division, University of California - Riverside, CA 92521, USA
² The Institute of Mathematical Sciences - Chennai 600 113, India
³ Chennai Mathematical Institute - Chennai 603 103, India

^(a) ma@phyun8.ucr.edu
^(b) graj@imsc.res.in

Received: 12 August 2017
Accepted: 12 September 2017

Abstract

It has recently been shown that the phenomenologically successful pattern of cobimaximal neutrino mixing ( $\theta_{13} \neq 0$ , $\theta_{23} = \pi/4$ , and $\delta_{CP} = \pm \pi/2$ ) may be achieved in the context of the non-Abelian discrete symmetry A₄, if the neutrino mass matrix is diagonaized by an orthogonal matrix ${\cal O}$ . We study how this pattern would deviate if ${\cal O}$ is replaced by a unitary matrix.

PACS: 14.60.Pq – Neutrino mass and mixing / 11.30.Hv – Flavor symmetries

© EPLA, 2017

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