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Related papers: Texture zeros in neutrino mass matrix

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I investigate viable textures with two texture zeros for the inverted neutrino mass matrix, and present the predictions of those textures for the neutrino masses and for lepton mixing. By using an Abelian symmetry and one or two heavy…

High Energy Physics - Phenomenology · Physics 2011-07-19 L. Lavoura

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

In an attempt at explaining the observed neutrino mass-squared differences and leptonic mixing, lepton mass matrices with zero textures have been widely studied. In the weak basis where the charged lepton mass matrix is diagonal, various…

High Energy Physics - Phenomenology · Physics 2014-07-18 R. Gonzalez Felipe , H. Serodio

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 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

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

We stress that specific texture zeros of lepton mass matrices, which might dynamically arise from a new kind of flavor symmetry, can help us to establish simple and testable relations between the lepton flavor mixing parameters and lepton…

High Energy Physics - Phenomenology · Physics 2016-12-07 Zhi-zhong Xing

Texture zeros in fermion mass matrices have been widely considered in tackling the Standard Model flavour puzzle. In this work, we perform a systematic analysis of texture zeros in lepton mass matrices in the framework of $\Gamma_{3}'\cong…

High Energy Physics - Phenomenology · Physics 2023-04-05 Gui-Jun Ding , F. R. Joaquim , Jun-Nan Lu

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

Within the framework of grand unified theories, we make full analysis of symmetric texture to see if such texture can reproduce large neutrino mixings, which have recently been confirmed by the observed solar and atmospheric neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-10 Masako Bando , Midori Obara

Applying the $A_4$ symmetry in the scenario of unimodular second scheme of trimaximal $TM_2$ mixing matrix, where the charged lepton mass matrix is diagonal and the nature of neutrinos are Majorana, we investigate and analyze feasible two…

High Energy Physics - Phenomenology · Physics 2022-11-22 N. Razzaghi , S. M. M. Rasouli , P. Parada , P. V. Moniz

We suggest a simple model, based on the type-I seesaw mechanism, for the lepton mass matrices. The model hinges on an Abelian symmetry which leads to mass matrices with some vanishing matrix elements. The model predicts one massless…

High Energy Physics - Phenomenology · Physics 2015-06-04 P. M. Ferreira , L. Lavoura

We study constraints on neutrino properties from texture zeros in bi-large mixing See-Saw mass matrix and also from leptogenesis. Texture zeros may occur in the light (class a)) or in the heavy (class b)) neutrino mass matrices. Each of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei Chao , Xiao-Gang He , Xue-Qian Li

Recent neutrino experiments have made very significant progresses and our knowledge of neutrino masses and mixing has considerably improved. In a model independent Monte Carlo approach, we have examined a very large class of textures, in…

High Energy Physics - Phenomenology · Physics 2007-06-22 V. Antonelli , F. Caravaglios , R. Ferrari , M. Picariello

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

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

There are many viable combinations of texture zeros in lepton mass matrices. We propose an economical and stable mass texture. Analytical and numerical results on mixing parameters and the effective mass of neutrinos are obtained. These…

High Energy Physics - Phenomenology · Physics 2016-03-08 Shu-jun Rong

The flavour neutrino puzzle is often addressed by considering neutrino mass matrices $m$ with a certain number of vanishing entries ($m_{ij}=0$ for some values of the indices), since a reduction in the number of free parameters increases…

High Energy Physics - Phenomenology · Physics 2020-03-18 Fredrik Björkeroth , Luca Di Luzio , Federico Mescia , Enrico Nardi

We investigate the prospects for scenarios with vanishing determinant neutrino mass matrices and vanishing $\theta_{13}$ mixing angle. Normal and inverse mass hierarchies are considered separately. For normal hierarchy it is found that…

High Energy Physics - Phenomenology · Physics 2013-05-29 Bhag C. Chauhan , Joao Pulido , Marco Picariello

The standard model of leptons is extended to accommodate a discrete Z_3 X Z_2 family symmetry. After rotating the charged-lepton mass matrix to its diagonal form, the neutrino mass matrix reveals itself as very suitable for explaining…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ernest Ma
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