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Related papers: Texture Zeros for Dirac Neutrinos and Current Expe…

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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

The Majorana neutrino mass textures with a texture zero and a vanishing cofactor are reconsidered in the light of current experimental results. A numerical and systematic analysis is carried out for all viable patterns. In particular, we…

High Energy Physics - Phenomenology · Physics 2014-05-21 Weijian Wang , Dong-Jiang Zhang

Texture zeroes in neutrino mass matrix $M_\nu$ may give us hints about the symmetries involved in neutrino mass generation. We examine the viability of such texture zeroes in a model independent way through a bottom-up approach. Using…

High Energy Physics - Phenomenology · Physics 2009-01-02 Amol Dighe , Narendra Sahu

In the context of minimal seesaw framework, we study the implications of Dirac and Majorana mass matrices in which two rigid properties coexist, namely, equalities among mass matrix elements and texture zeros. In the first part of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Srubabati Goswami , Subrata Khan , Atsushi Watanabe

In the light of non-zero and relatively large value of rector mixing angle ($\theta_{13}$), we have performed a detailed analysis of texture one zero neutrino mass matrix $M_{\nu}$ in the scenario of vanishing determinant/trace conditions ,…

High Energy Physics - Phenomenology · Physics 2019-11-14 Madan Singh

We study all possible texture zeros in the Majorana neutrino mass matrix which are allowed from neutrino oscillation as well as cosmology data when the charged lepton mass matrix is assumed to take the diagonal form. In case of one-zero…

High Energy Physics - Phenomenology · Physics 2015-06-17 Manikanta Borah , Debasish Borah , Mrinal Kumar Das

We systematically analyze the Dirac and the Majorana mass matrices in seesaw models with two heavy right-handed neutrinos. We perform thorough classification of the vanishing matrix elements which are compatible with the results from the…

High Energy Physics - Phenomenology · Physics 2009-02-20 Srubabati Goswami , Atsushi Watanabe

Texture six zero Fritzsch like as well as non Fritzsch like hermitian lepton mass matrices (144 combinations in all) have been investigated for both Majorana and Dirac neutrinos for their compatibility with the current neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2013-08-19 Neelu Mahajan , Monika Randhawa , Manmohan Gupta , P. S. Gill

The leptogenesis is studied in the neutrino textures with two zeros, which reduce the number of independent phases of the CP violation. The phenomenological favored neutrino textures with two zeros are decomposed into the Dirac neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-10 Satoru Kaneko , Makoto Katsumata , Morimitsu Tanimoto

The leptogenesis is studied in the neutrino mass matrix with two zeros, which reduces the number of independent phases of the CP violation. These texture zeros are decomposed into the Dirac neutrino mass matrix and the right-handed Majorana…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Kaneko , M. Tanimoto

We study the implications of the simultaneous existence of a texture zero and a vanishing minor in the neutrino mass matrix. There are thirty six possible texture structures of this type, twenty one of which reduce to two texture zero cases…

High Energy Physics - Phenomenology · Physics 2010-04-14 S. Dev , Surender Verma , Shivani Gupta , R. R. Gautam

We present neutrino mass matrix textures in a minimal framework of the type-I seesaw mechanism where two right-handed Majorana neutrinos are introduced in order to reproduce experimental results of neutrino oscillations. The textures can…

High Energy Physics - Phenomenology · Physics 2016-06-21 Yusuke Shimizu , Ryo Takahashi , Morimitsu Tanimoto

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

In the context of Standard Model (SM) extensions, the seesaw mechanism provides the most natural explanation for the smallness of neutrino masses. In this work we consider the most economical type-I seesaw realization in which two…

High Energy Physics - Phenomenology · Physics 2018-06-20 D. M. Barreiros , R. G. Felipe , F. R. Joaquim

In this paper, we derive in a novel approach the possible textures of neutrino mass matrix that can lead us to maximal atmospheric mixing angle and Dirac CP phase which are consistent with the current neutrino oscillation data. A total of…

High Energy Physics - Phenomenology · Physics 2018-11-14 Zhi-Cheng Liu , Chong-Xing Yue , Zhen-hua Zhao

We present a comprehensive phenomenological analysis of the allowed hybrid textures of neutrinos. Out of a total of sixty hybrid textures with one equality between the elements of neutrino mass matrix and one texture zero only twenty three…

High Energy Physics - Phenomenology · Physics 2014-11-20 S. Dev , Surender Verma , Shivani Gupta

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 pertaining to Dirac neutrinos. All these…

High Energy Physics - Phenomenology · Physics 2014-02-05 Samandeep Sharma , Priyanka Fakay , Gulsheen Ahuja , Manmohan Gupta

We analyze neutrino mass matrices having one texture zero, assuming that the neutrino mixing matrix has either its first (TM$_1$) or second (TM$_2$) column identical to that of the tribimaximal mixing matrix. We found that all the six…

High Energy Physics - Phenomenology · Physics 2018-03-20 Radha Raman Gautam

We discuss the neutrino oscillations, using texture zero mass matrices for the leptons, including radiative correction. The neutrino mixing angle theta_13 is calculated and agrees with the result of the new Daya Bay experiment.

High Energy Physics - Phenomenology · Physics 2015-06-04 Harald Fritzsch

It has long been pointed out that there are seven different two-zero texture neutrino mass matrices compatible with neutrino oscillation data. We perform an updated analysis with the recently published Nu-Fit 6.0 results. We also subject…

High Energy Physics - Phenomenology · Physics 2025-04-08 Wararat Treesukrat , Nopmanee Supanam , Patipan Uttayarat