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

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In this paper, we derive in a novel approach the possible textures of neutrino mass matrix that can lead to maximal atmospherical mixing angle ($\theta^{}_{23} = \pi/4$) and Dirac CP phase ($\delta = - \pi/2$) in two phenomenologically…

High Energy Physics - Phenomenology · Physics 2019-05-08 Zhi-Cheng Liu , Chong-Xing Yue , Zhen-hua Zhao

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 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

In this work we carry out a systematic texture study of the neutrino mass matrix with the ansatzes - (i) one vanishing minor and (ii) the zero sum of the mass eigenvalues with the CP phases (henceforth vanishing trace). There are six…

High Energy Physics - Phenomenology · Physics 2023-02-22 Sangeeta Dey , Mahadev Patgiri

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 recent observation of the smallest neutrino mixing angle $\theta_{13}$ in the Daya Bay and RENO experiments motivates us to examine whether $\theta_{13} \simeq 9^\circ$ at the electroweak scale can be generated from $\theta_{13} =…

High Energy Physics - Phenomenology · Physics 2015-06-04 Shu Luo , Zhi-zhong Xing

The latest data from Planck collaboration has presented an improved sensitivity limit of the sum of neutrino masses ($\Sigma$), $\Sigma <0.17eV$ at 95$\%$ confidence level (CL). On the other hand, the updated global fits of neutrino…

High Energy Physics - Phenomenology · Physics 2020-02-21 Madan Singh

Relying upon the usefulness of the \mu-\tau symmetry, we find a new type of neutrino mass texture with a single phase parameter \delta that describes maximal atmospheric neutrino mixing and Dirac CP violation due to the presence of \delta.…

High Energy Physics - Phenomenology · Physics 2014-11-18 Ichiro Aizawa , Masaki Yasue

We studied the phenomenological implications of texture zeros in the neutrino mass matrix of the minimal left-right symmetric model (LRSM). Since the possibility of maximum zeros reduces the maximum number of free parameters of the model…

High Energy Physics - Phenomenology · Physics 2020-04-14 Happy Borgohain , Mrinal Kumar Das , Debasish Borah

Within the framework of the left-right symmetric model (LRSM) and under the assumption of a diagonal Dirac neutrino mass matrix $M_{\rm D}$, this paper systematically investigates 20 types of three-zero textures in the Majorana neutrino…

High Energy Physics - Phenomenology · Physics 2026-03-27 Ding-Hui Xu , Zhen-hua Zhao , Tian-Rui Wang

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

We study the possibility of texture zeros in Majorana light neutrino mass matrix in the light of dark large mixing angle (DLMA) solution to solar neutrino problem where solar mixing angle ($\sin^2{\theta_{12}}\simeq 0.7 $) lies in the…

High Energy Physics - Phenomenology · Physics 2020-12-02 Happy Borgohain , Debasish Borah

In theories with three light neutrinos, a complete list of five zeroth-order textures for lepton mass matrices is found, which naturally yield: m_e = m_mu=0, m_tau \neq 0, Delta m^2_sun = 0, together with theta_{e tau} = 0, theta_{mu tau}…

High Energy Physics - Phenomenology · Physics 2009-10-09 Riccardo Barbieri , Lawrence J. Hall , Alessandro Strumia

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

We study Majorana neutrino mass matrices that have two texture zeros, or two cofactor zeros, or one texture zero and one cofactor zero. The two texture/cofactor zero conditions give four constraints, which in conjunction with the five…

High Energy Physics - Phenomenology · Physics 2014-09-04 Jiajun Liao , D. Marfatia , K. Whisnant

We review the current-generation short-baseline reactor neutrino experiments that have firmly established the third neutrino mixing angle $\theta_{13}$ to be non-zero. The relative large value of $\theta_{13}$ (around 9$^\circ$) has opened…

High Energy Physics - Experiment · Physics 2014-05-29 X. Qian , W. Wang

Considering Dirac neutrinos and Fritzsch-like texture 6 zero and 5 zero mass matrices, detailed predictions for cases pertaining to normal/inverted hierarchy as well as degenerate scenario of neutrino masses have been carried out. All the…

High Energy Physics - Phenomenology · Physics 2009-07-30 Gulsheen Ahuja , Manmohan Gupta , Monika Randhawa , Rohit Verma

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

Implications of recently measured leptonic mixing angle $\theta_{13}$ as well as the other two mixing angles have been examined for Fritzsch-like mass matrices with minimal texture for Dirac neutrinos. Interestingly, the existing data seems…

High Energy Physics - Phenomenology · Physics 2015-03-16 Priyanka Fakay , Samandeep Sharma , Gulsheen Ahuja , Manmohan Gupta

We discuss the neutrino flavor structures in the Occam's razor approach for the Dirac neutrino mass matrices. We assume that the charged lepton mass matrix takes a diagonal base, while the right-handed Majorana neutrino mass matrix is also…

High Energy Physics - Phenomenology · Physics 2016-11-03 Yusuke Shimizu , Yoshiyuki Tatsuta