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The trimaximal mixing scheme (TM$_2$) results in \textit{``magic"} neutrino mass matrix ($M_\nu$) which is known to accommodate neutrino oscillation data. In this paper, we propose a phenomenological ansatz for $M_\nu$ by extending the…

High Energy Physics - Phenomenology · Physics 2023-06-28 Labh Singh , Tapender , Monal Kashav , Surender Verma

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

This is a review article about neutrino mass models, particularly see-saw models involving three active neutrinos which are capable of describing both the atmospheric neutrino oscillation data, and the large mixing angle MSW solar solution,…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. F. King

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

A class of neutrino mass matrices with texture zeros realizable using the group $Z_3$ within the framework of type (I+II) seesaw mechanism naturally admits a non-zero $\theta_{13}$ and allows for deviations from maximal mixing. The…

High Energy Physics - Phenomenology · Physics 2015-05-30 Sanjeev Kumar

For type I seesaw and in the basis where the charged lepton and heavy right-handed neutrino mass matrices are real and diagonal, four has been shown to be the maximum number of zeros allowed in the neutrino Yukawa coupling matrix $Y_\nu$.…

High Energy Physics - Phenomenology · Physics 2009-08-10 Sandhya Choubey , Werner Rodejohann , Probir Roy

In this paper, we make an attempt to combine the neutrino trimaximal (TM1 and TM2) mixings and $\mu$-$\tau$ reflection symmetry in the type-I seesaw model. Such a scenario is highly restrictive and predictive: in addition to three…

High Energy Physics - Phenomenology · Physics 2022-05-16 Zhen-hua Zhao

We investigate Linear and Inverse seesaw mechanisms with maximal zero textures of the constituent matrices subjected to the assumption of non-zero eigenvalues for the neutrino mass matrix $m_\nu$ and charged lepton mass matrix $m_e$. If we…

High Energy Physics - Phenomenology · Physics 2016-06-07 Roopam Sinha , Rome Samanta , Ambar Ghosal

In the quark sector, we experience a correlation between the mixing angles and the mass ratios. A partial realization of the similar tie-up in the neutrino sector helps to constrain the parametrization of masses and mixing, and hints for a…

High Energy Physics - Phenomenology · Physics 2016-03-25 Subhankar Roy , N. Nimai Singh

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

The recent observational data supports the deviation from Tri-bimaximal (TBM) mixings. Different neutrino mass models suggest the interdependency among the observational parameters involving the mixing angles. On phenomenological ground we…

High Energy Physics - Phenomenology · Physics 2015-06-11 Subhankar Roy , N. Nimai Singh

We present a systematic study of 400 combinations of the charged lepton and neutrino mass matrices with six vanishing entries or texture zeros. Only 24 of them, which can be classified into a few distinct categories, are found to be…

High Energy Physics - Phenomenology · Physics 2011-09-13 Shun Zhou , Zhi-zhong Xing

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

Consider the most general $3 \times 3$ Majorana neutrino mass matrix $\cal M$. Motivated by present neutrino-oscillation data, much theoretical effort is directed at reducing it to a specific texture in terms of a small number of…

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

We propose a model for neutrino mass generation based on both the tree-level seesaw mechanism with a single right-handed neutrino and one-loop radiative effects in a non-supersymmetric framework. The generated mass matrix is composed of two…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jisuke Kubo , Daijiro Suematsu

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 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

We study a model of neutrino and dark matter within the framework of a minimal extended seesaw. This model is based on $A_4$ flavour symmetry along with the discrete $Z_3\times Z_4$ symmetry to stabilize the dark matter and construct…

High Energy Physics - Phenomenology · Physics 2022-04-29 Pritam Das , Mrinal Kumar Das , Najimuddin Khan

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 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
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