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Related papers: Confronting predictive texture zeros in lepton mas…

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Taking clue from the minimal structure of texture 4-zero hermitian mass matrices, which are very successful in accommodating quark mixing data, we propose a form of texture 2-zero complex symmetric neutrino mass matrix with only one phase…

High Energy Physics - Phenomenology · Physics 2025-07-17 Manoj Kumar , Nikhila Awasthi , Monika Randhawa , Manmohan Gupta

Motivated by the first oscillation results from JUNO, we study the phenomenological viability of texture zeros in the Dirac neutrino mass matrix. The improved precision on the solar mixing angle $\sin^2{\theta_{12}}$ and the solar…

High Energy Physics - Phenomenology · Physics 2026-04-22 Priya , Ranjeet Kumar , Labh Singh , Surender Verma

We reanalyze the mass matrix model of quarks and leptons that gives a unified description of quark and lepton mass matrices with the same texture form. By investigating possible types of assignment for the texture components of the lepton…

High Energy Physics - Phenomenology · Physics 2009-11-10 Koichi Matsuda , Hiroyuki Nishiura

One- and two-zero textures for the flavor neutrino mass matrix have been successful in explaining mixing in the neutrino sector. Conservatively, six cases of one-zero textures and seven cases of two-zero textures are compatible with…

High Energy Physics - Phenomenology · Physics 2020-10-28 Teruyuki Kitabayashi

Texture specific quark mass matrices which are hermitian and hierarchical are examined in detail . In the case of texture 6 zeros matrices, out of sixteen possibilities examined by us, none is able to fit the low energy data (LED), for…

High Energy Physics - Phenomenology · Physics 2009-12-30 Monika Randhawa , V. Bhatnagar , P. S. Gill , M. Gupta

We investigate the phenomenological consequences of lepton mass matrices originated from the family permutation symmetry and its suitable breakings. Adopting the recently proposed new mass matrix for the charged lepton mass matrix and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kyungsik Kang , Sin Kyu Kang

An effective texture is presented for six Majorana neutrinos, three active and three (conventional) sterile, based on a 6x6 mass matrix whose 3x3 Dirac component (i.e., active--sterile component) is conjectured to get a hierarchical fermion…

High Energy Physics - Phenomenology · Physics 2016-09-06 Wojciech Krolikowski

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…

High Energy Physics - Phenomenology · Physics 2010-01-08 E. I. Lashin , N. Chamoun

We investigate scaling ansatz with texture zeros within the framework of linear seesaw mechanism. In this variant of seesaw mechanism a simplified expression of effective neutrino mass matrix $m_\nu$ containing two Dirac type matrices…

High Energy Physics - Phenomenology · Physics 2018-05-09 Mainak Chakraborty , H. Zeen Devi , Ambar Ghosal

In our recent work we identify the hybrid textures of neutrino mass matrix which simultaneously account for dark matter (DM) and neutrinoless double beta decay ($0\nu\beta\beta$). We also obtained the bounds on dark matter mass and…

High Energy Physics - Phenomenology · Physics 2023-03-22 Ankush , Rishu Verma , Sahil Kumar , B. C. Chauhan

Phenomenological implications of a class of lepton mass matrices with parallel texture structure have been examined and phenomenologically interesting constraints on charged lepton and neutrino mass matrix parameters have been obtained.

High Energy Physics - Phenomenology · Physics 2014-11-18 S. Dev , Sanjeev Kumar , Surender Verma , Shivani Gupta

The $\mu\tau$-reflection symmetric neutrino mass matrix can accommodate all known neutrino mixing angles, with maximal atmospheric angle fixed, and predicts all the unknown CP phases of the lepton sector but is unable to predict the…

High Energy Physics - Phenomenology · Physics 2018-09-18 C. C. Nishi , B. L. Sánchez-Vega , G. Souza Silva

We review previous work on neutrino mass textures in gauge theories. Such textures may arise as a result of flavour symmetries. In a given theory, it is possible to give a classification of heavy Majorana neutrino mass matrices, assuming…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Lola , J. D. Vergados

It is well-known that, in the basis where the charged-lepton mass matrix is diagonal, there are seven cases of two texture zeros in Majorana neutrino mass matrices that are compatible with all experimental data. We show that two of these…

High Energy Physics - Phenomenology · Physics 2011-06-07 W. Grimus , P. O. Ludl

An effective texture is presented for six Majorana neutrinos, three active and three (conventional) sterile, based on a 6x6 mass matrix, whose 3x3 active--sterile component (i.e., Dirac component) is conjectured to get a fermion universal…

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

We investigate the properties of neutrino mass matrices that incorporate texture zeros and generalized CP symmetries associated with tribimaximal mixing. By combining these approaches, we derive predictive neutrino mass matrices and explore…

High Energy Physics - Phenomenology · Physics 2024-03-27 Sanjeev Kumar , Radha Raman Gautam

An attempt has been made to carry out a detailed analysis of quark mass matrices having structure beyond the minimal texture. In particular, keeping in mind, precision measurements of CKM parameters as well as refinements in the ranges of…

High Energy Physics - Phenomenology · Physics 2020-07-21 Aakriti Bagai , Shivali Kaundal , Gulsheen Ahuja , Manmohan Gupta

We present a systematic procedure to establish a connection between complex neutrino mass matrix textures and experimental observables, including the Dirac CP phase. In addition, we illustrate how future experimental measurements affect the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Walter Winter

We study the phenomenological consequences of recent results from atmospheric and accelerator neutrino experiments, favoring normal neutrino mass ordering $m_1 < m_2 < m_3$, a near maximal lepton Dirac CP phase $\delta_{l}\sim 270^\circ$…

High Energy Physics - Phenomenology · Physics 2016-11-28 Rohit Verma

We propose a model that all quark and lepton mass matrices have the same zero texture. Namely their (1,1), (1,3) and (3,1) components are zeros. The mass matrices are classified into two types I and II. Type I is consistent with the…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. Nishiura , K. Matsuda , T. Fukuyama
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