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We study the phenomenological implications of the presence of two texture zeros in the neutrino mass matrix assuming that the neutrino mixing matrix has its first column identical to that of the tribimaximal mixing matrix. Only two patterns…

High Energy Physics - Phenomenology · Physics 2017-08-08 Sanjeev Kumar , Radha Raman Gautam

An analytic and numerical systematic study of the neutrino mass matrix with one texture zero is presented in a basis where the charged leptons are diagonal. Under the assumption that neutrinos are Dirac particles, the analysis is carried…

High Energy Physics - Phenomenology · Physics 2025-12-11 Richard H. Benavides , Yessica Lenis , John D. Gómez , William A. Ponce

We derive verifiable two-zero textures in the framework of a three-loop induced neutrino mass model applying a modular $A_4$ symmetry for the lepton sector. Interestingly, the neutrino mass structure is determined by assignments of the…

High Energy Physics - Phenomenology · Physics 2023-09-26 Takaaki Nomura , Hiroshi Okada , Hajime Otsuka

In the light of the recent measurement of the leptonic mixing angle $\theta_{13}$, implications of the latest mixing data have been investigated for non-minimal textures of lepton mass matrices assuming the neutrinos to be Majorana like.…

High Energy Physics - Phenomenology · Physics 2014-02-10 Samandeep Sharma , Priyanka Fakay , Gulsheen Ahuja , Manmohan Gupta

The texture zero mass matrices for the leptons and the seesaw mechanism are used to derive relations between the matrix elements of the lepton mixing matrix and the ratios of the neutrino masses.

High Energy Physics - Phenomenology · Physics 2020-02-04 Harald Fritzsch

Out of the fifteen 3 x 3 neutrino mass matrices with two texture zeros seven are compatible with the neutrino oscillation data. While 2 of them correspond to hierarchical neutrino masses and 1 to an inverted hierarchy, the remaining 4…

High Energy Physics - Phenomenology · Physics 2009-11-07 Bipin R. Desai , D. P. Roy , Alexander R. Vaucher

The implications of a large value of the effective Majorana neutrino mass for a class of two texture zero neutrino mass matrices have been studied in the flavor basis. It is found that these textures predict near maximal atmospheric…

High Energy Physics - Phenomenology · Physics 2014-08-06 S. Dev , Radha Raman Gautam , Lal Singh , Manmohan Gupta

We study the range of the elements of the neutrino mass matrix m_nu in the charged lepton basis. Neutrino-less double beta decay is sensitive to the ee element of m_nu. We then analyze the phenomenological implications of single texture…

High Energy Physics - Phenomenology · Physics 2011-06-24 A. Merle , W. Rodejohann

We review the two-zero mass matrix textures approach for Dirac neutrinos with the most recent global fit in the oscillation parameters. We found that three of the 15 possible textures are compatible with current experimental data, while the…

High Energy Physics - Phenomenology · Physics 2024-11-14 Yessica Lenis , R. Martinez-Ramirez , Eduardo Peinado , William A. Ponce

We propose new lepton-mixing textures that may be enforced through well-defined symmetries in renormalizable models. Each of our textures has four sum rules for the neutrino mass observables. The models are based on the type-I seesaw…

High Energy Physics - Phenomenology · Physics 2019-09-04 D. Jurciukonis , L. Lavoura

We reconsider an universal mass matrix model which has a seesaw-invariant structure with four-zero texture common to all quarks and leptons. The CKM quark and MNS lepton mixing matrices of the model are analyzed analytically.We show that…

High Energy Physics - Phenomenology · Physics 2014-11-18 Koichi Matsuda , Hiroyuki Nishiura

We propose and study a common hierarchical mass texture for both charged lepton and neutrino sectors. The texture gives rise to a large $\nu_\mu\leftrightarrow\nu_\tau$ mixing. Also it leads to the small angle MSW effect solution for solar…

High Energy Physics - Phenomenology · Physics 2016-08-25 Ehab Malkawi

An explicit form of charged--lepton mass matrix, predicting $ m_\tau = 1776.80 $~MeV from the experimental values of $ m_e $ and $ m_\mu$ (in good agreement with the experimental figure $ m_\tau = 1777.05^{+0.29}_{-0.26}$ MeV), is applied…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wojciech Krolikowski

In this paper we investigate the parallel texture structures containing texture zeros in charged lepton mass matrix $M_{l}$ and cofactor zeros in neutrino mass matrix $M_{\nu}$. These textures are interesting since they are related to the…

High Energy Physics - Phenomenology · Physics 2014-08-27 Weijian Wang

We consider the possibility of texture zeros in lepton mass matrices of the minimal left-right symmetric model (LRSM) where light neutrino mass arises from a combination of type I and type II seesaw mechanisms. Based on the allowed texture…

High Energy Physics - Phenomenology · Physics 2019-07-24 Happy Borgohain , Mrinal Kumar Das , Debasish Borah

We attempt the integration of the phenomenologically successful four zero texture of fermion mass matrices with the renormalizable SO(10) GUT. The resulting scenario is found to be highly predictive. Firstly, we examine the phenomenological…

High Energy Physics - Phenomenology · Physics 2012-03-30 S. Dev , Sanjeev Kumar , Surender Verma , Shivani Gupta , R. R. Gautam

We present the generic formulas to calculate the ratios of neutrino masses and the Majorana phases of CP violation from the neutrino mass matrix with two independent vanishing entries in the flavor basis where the charged lepton mass matrix…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhi-zhong Xing

The issue of texture specific mass matrices has been discussed by incorporating Weak Basis transformations and the concept of `naturalness'. Interestingly, we find that starting from the most general mass matrices, one can arrive at texture…

High Energy Physics - Phenomenology · Physics 2015-06-19 Samandeep Sharma , Priyanka Fakay , Gulsheen Ahuja , Manmohan Gupta

Within the Standard Model, starting with the most general mass matrices we have used the facility of making weak basis transformations and have imposed the condition of `naturalness' to carry out their analysis within the texture zero…

High Energy Physics - Phenomenology · Physics 2015-06-24 Samandeep Sharma , Priyanka Fakay , Gulsheen Ahuja , Manmohan Gupta

We propose a neutrino mass matrix texture bearing a suitable correlation $m_{22}=-2\,m_{13}$ and study its phenomenological implications. In light of both normal and inverted hierarchies, the texture imposes specific bounds on some…

High Energy Physics - Phenomenology · Physics 2024-09-17 Pralay Chakraborty , Manash Dey , Biswajit Karmakar , Subhankar Roy