One vanishing minor in the neutrino mass matrix

E. I. Lashin and N. Chamoun

Phys. Rev. D 80, 093004 – Published 20 November 2009

Abstract

We study a specific texture of the neutrino mass matrix, namely the models with one $2 \times 2$ subdeterminant equal to zero. We carry out a complete phenomenological analysis with all possible relevant correlations. Every pattern of the six possible ones is found able to accommodate the experimental data, with three cases allowing also for noninvertible mass matrices. We present symmetry realizations for all the models.

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Received 7 October 2009

DOI:https://doi.org/10.1103/PhysRevD.80.093004

Authors & Affiliations

E. I. Lashin^1,2,3,* and N. Chamoun^4,5,†

¹The Abdus Salam ICTP, P.O. Box 586, 34100 Trieste, Italy
²Ain Shams University, Faculty of Science, Cairo 11566, Egypt
³Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Saudi Arabia
⁴Physics Department, HIAST, P.O. Box 31983, Damascus, Syria
⁵Centro Brasileiro de Pesquisas Fisicas, Rua Dr Xavier Sigaud 150, Rio de Janeiro, Brazil

^*elashin@ictp.it
^†nchamoun@hiast.edu.sy

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Issue

Vol. 80, Iss. 9 — 1 November 2009

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