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Related papers: Correlations and textures in the neutrino mass mat…

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We study a variety of different texture patterns in the basis in which the charged lepton mass matrix or neutrino mass matrix or neither are diagonal. The experimental results on the neutrinos provide sufficient restrictions to allow only a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bipin R. Desai , Utpal Sarkar , Alexander R. Vaucher

Assuming Majorana nature of neutrinos, we re-investigate, in the light of the recent measurement of the reactor mixing angle, the allowed ranges for the absolute values of the elements of the neutrino mass matrix in the basis where the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Walter Grimus , Patrick Otto Ludl

We study all possible neutrino mass matrices with one zero element and two equal non-zero elements, known as hybrid texture neutrino mass matrices. In the diagonal charged lepton basis, we consider thirty nine such possible cases which are…

High Energy Physics - Phenomenology · Physics 2016-03-23 Rupam Kalita , Debasish Borah

Systematic analyses of the textures arising in lepton mass matrices have been carried out using unitary transformations and condition of naturalness for the Dirac and Majorana neutrino possibilities. It is observed that the recent three…

High Energy Physics - Phenomenology · Physics 2014-08-22 Rohit Verma

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

The present work attempts to provide an overview of texture specific lepton mass matrices. In particular, we summarize the findings of some recent analyses carried out within non flavor basis, wherein a parallel texture structure for the…

High Energy Physics - Phenomenology · Physics 2016-04-20 Gulsheen Ahuja , Samandeep Sharma , Priyanka Fakay , Manmohan Gupta

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

We study predictive textures for the lepton mass matrices in which the charged-lepton mass matrix has either four or five zero matrix elements while the neutrino Majorana mass matrix has, respectively, either four or three zero matrix…

High Energy Physics - Phenomenology · Physics 2015-05-20 P. M. Ferreira , L. Lavoura

We perform a systematic investigation of the texture structures of Majorana neutrino mass matrix $M_{\nu}$ having two texture zeros and an equality between two nonzero matrix elements, in the light of recent neutrino oscillation data. Among…

High Energy Physics - Phenomenology · Physics 2020-06-23 S. Dev , Desh Raj

We investigate the texture structures of lepton mass matrices with four (five) non-zero elements in the charged lepton mass matrix and three (four) vanishing cofactors in the neutrino mass matrix. Using weak basis transformations, all…

High Energy Physics - Phenomenology · Physics 2017-11-28 S. Dev , Desh Raj , Radha Raman Gautam

In this work we propose new five textures zeros for the mass matrices in the lepton sector in order to predict values for the neutrino masses. In our approach we go beyond the Standard Model by assuming Dirac masses for the neutrinos,…

High Energy Physics - Phenomenology · Physics 2020-10-28 Richard H. Benavides , Yithsbey Giraldo , Luis Muñoz , William A. Ponce , Eduardo Rojas

We analyze the neutrino mass matrix entries and their correlations in a probabilistic fashion, constructing probability distribution functions using the latest results from neutrino oscillation fits. Two cases are considered: the standard…

High Energy Physics - Phenomenology · Physics 2015-06-12 E. Bertuzzo , P. A. N. Machado , R. Zukanovich Funchal

We systematically investigate the parameter space of neutrino and charged lepton mass matrices for textures motivated by an extended quark-lepton complementarity. As the basic hypothesis, we postulate that all mixing angles in U_l and U_nu…

High Energy Physics - Phenomenology · Physics 2008-11-26 Florian Plentinger , Gerhart Seidl , Walter Winter

In view of the precise measurement of the leptonic mixing angle \theta_{13}, implications of the latest mixing data have been investigated for lepton mass matrices pertaining to Dirac neutrinos.These texture specific lepton mass matrices…

High Energy Physics - Phenomenology · Physics 2014-10-28 Priyanka Fakay , Samandeep Sharma

We propose a model that all quark and lepton mass matrices originally have the same zero texture. Namely their (1,1), (1,3) and (3,1) components are zeros. For the neutrino mass matrix, we further impose the symmetry between the second and…

High Energy Physics - Phenomenology · Physics 2009-11-07 H. Nishiura , K. Matsuda , T. Kikuchi , T. Fukuyama

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

Taking into account the latest neutrino oscillation data, we study texture zeros of the lepton mass matrices. Assuming the Dirac neutrino mass matrix M_D, the charged-lepton mass matrix M_l and the mass matrix of heavy right-handed Majorana…

High Energy Physics - Phenomenology · Physics 2013-02-01 Harald Fritzsch , Shun Zhou

We study neutrino mass matrices with one texture equality and the neutrino mixing matrix having either its first (TM$_1$) or second (TM$_2$) column identical to that of the tribimaximal mixing matrix. We found that out of total fifteen…

High Energy Physics - Phenomenology · Physics 2022-10-07 S. Dev , Desh Raj

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

A simple form of neutrino mass matrix which has only two free parameters is proposed from a phenomenological point of view. Using this mass matrix, we succeed to reproduce all the observed values for the MNS lepton mixing angles and the…

High Energy Physics - Phenomenology · Physics 2015-10-22 Hiroyuki Nishiura , Takeshi Fukuyama
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