English
Related papers

Related papers: Neutrino masses and flavor mixing in a generalized…

200 papers

We study the survivability of neutrino mass models with normal as well as inverted hierarchical mass patterns in the presence of both type I and type II seesaw contributions to neutrino mass within the framework of generic left-right…

High Energy Physics - Phenomenology · Physics 2013-02-27 Debasish Borah , Mrinal Kumar Das

In this study, we investigate one zero textures within the framework of generalized CP symmetry associated with the complex tribimaximal matrix. By combining these approaches, we derive predictive neutrino mass matrices and establish…

High Energy Physics - Phenomenology · Physics 2026-03-17 Priya , Simran Arora , B. C. Chauhan

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

In the two zero flavor neutrino mass matrix scheme with nonvanishing Majorana effective mass $M_{ee}$ for the neutrino less double beta decay, four textures are compatible with observed data. We obtain the complete list of the possible…

High Energy Physics - Phenomenology · Physics 2017-03-22 Teruyuki Kitabayashi , Masaki Yasuè

The presence of a zero texture in the neutrino mass matrix can indicate the presence of an underlying symmetry which can generate neutrino mass and mixing. In this paper, for the first time we study the four-zero textures of the low energy…

High Energy Physics - Phenomenology · Physics 2016-12-07 Debasish Borah , Monojit Ghosh , Shivani Gupta , Suprabh Prakash , Sushant K. Raut

We present a new texture of neutrino mass matrix having three complex relations among its elements and study in detail the phenomenological implications. A characteristic feature of the resulting neutrino mass matrix is that the atmospheric…

High Energy Physics - Phenomenology · Physics 2021-07-19 Radha Raman Gautam , Sanjeev Kumar

This work proposes two models of neutrino masses that predict non-zero $\theta_{13}$ under the non-Abelian discrete flavor symmetry $\mathbb{S}_3\otimes\mathbb{Z}_2$. We advocate that the size of $\theta_{13}$ is understood as a group…

High Energy Physics - Phenomenology · Physics 2012-08-14 Kim Siyeon

In the light of refined and large reactor mixing angle $\theta_{13}$, we have revisited the texture three and two zero neutrino mass matrices in the flavor basis. For Majorana neutrinos, it has been explicitly shown that all the texture…

High Energy Physics - Phenomenology · Physics 2019-12-06 Madan Singh , Gulsheen Ahuja , Manmohan Gupta

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

Describing neutrino masses using the inverse seesaw mechanism with discrete flavor symmetry imposed through modular forms provides a testable framework at TeV scales with fewer parameters. However, $S_3$, the smallest modular group, remains…

High Energy Physics - Phenomenology · Physics 2025-05-01 Mitesh Kumar Behera , Pawin Ittisamai , Chakrit Pongkitivanichkul , Patipan Uttayarat

We investigate neutrino mass matrix phenomenology involving scaling ansatz and texture zeros adhering inverse seesaw mechanism. It is seen that four is the maximum number of zeros in $m_D$ and $\mu$ to obtain viable phenomenology. Depending…

High Energy Physics - Phenomenology · Physics 2017-09-13 Ambar Ghosal , Rome Samanta

We consider an universal mass matrix model which has a seesaw-invariant structure with the most general texture based on flavor 2 (\leftrightarrow) 3 symmetry common to all quarks and leptons. The CKM quark mixing matrix of the model is…

High Energy Physics - Phenomenology · Physics 2008-12-18 Hiroyuki Nishiura , Koichi Matsuda , Takeshi Fukuyama

The type-I seesaw model with two-zero textures of the Majorana mass matrix for the right-handed neutrinos $M^{}_{\rm R}$ provides a highly predictive framework for neutrino mass generation and baryon asymmetry of the Universe via…

High Energy Physics - Phenomenology · Physics 2026-03-25 Xin-Tong Ma , Ding-Hui Xu , Zhen-hua Zhao

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

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

A non-supersymmetric inverse seesaw model of neutrino mass based on the $A^{\prime}_5$ modular symmetry is presented. This framework provides a combined explanation for neutrino masses, mixing, and the cosmic baryon asymmetry through…

High Energy Physics - Phenomenology · Physics 2026-03-20 Xianshuo Zhang , Yakefu Reyimuaji

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

As a consequence of the LSND anomaly and other hints of an eV scale sterile neutrino from particle physics and cosmology, the neutrino sector of the standard model of particle physics has to be extended and the smallest extension is the…

High Energy Physics - Phenomenology · Physics 2013-04-02 Yongchao Zhang

The nonzero and relatively large $\theta_{13}$ have been reported by Daya Bay, T2K, MINOS, and Double Chooz Collaborations. In order to accommodate the nonzero $\theta_{13}$, we modified the tribimaximal (TB), bimaxima (BM), and democratic…

High Energy Physics - Phenomenology · Physics 2012-07-02 Asan Damanik

Neutrinos stand out among elementary particles through their unusually small masses. Various seesaw mechanisms attempt to explain this fact. In this work applying insights from matrix theory we are in a position to treat variants of seesaw…

High Energy Physics - Phenomenology · Physics 2020-09-04 Wojciech Flieger , Janusz Gluza