English
Related papers

Related papers: A predictive model of Dirac Neutrinos

200 papers

The exchange symmetry between the muon neutrino and the tau neutrino for the neutrino mass matrix has been very useful in understanding the near maximal atmospheric neutrino mixing angle. However, this symmetry can not be imposed at the…

High Energy Physics - Phenomenology · Physics 2015-06-17 Shreyashi Chakdar , Kirtiman Ghosh , S. Nandi

We explore masses and mixings for Dirac neutrinos in models where lepton number is conserved, under the guidance of a hidden, but broken, $\mu-\tau$ exchange symmetry, that makes itself evident in the squared hermitian mass matrix. We study…

High Energy Physics - Phenomenology · Physics 2018-08-28 Edgar R. Luna Terrazas , Abdel Pérez-Lorenzana

A neutrino mass matrix is considered under conditions of a CP invariance and a small reactor mixing $\theta_{13}$ angle. Absolute mass values for three neutrinos are evaluated for normal and inverted hierarchy spectra on the ground of data…

High Energy Physics - Phenomenology · Physics 2009-05-20 V. V. Khruschov

10 years from now reactor neutrino experiments will attempt to determine which neutrino mass eigenstate is the most massive. In this letter we present the results of more than seven million detailed simulations of such experiments, studying…

High Energy Physics - Phenomenology · Physics 2013-09-16 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

We show that the neutrino mass matrix of the Zee-Babu model is able to fit the recent data on neutrino masses and mixing with non-zero $\theta_{13}$ in the inverted neutrino mass hierarchy. The results show that the Majorana phases are…

High Energy Physics - Phenomenology · Physics 2019-01-10 Vo Van Vien , Hoang Ngoc Long , Pham Ngoc Thu

We study the structure of the neutrino mass matrix in the minimal gauged U(1)$_{L_\mu-L_\tau}$ model, where three right-handed neutrinos are added to the Standard Model in order to obtain non-zero masses for active neutrinos. Because of the…

High Energy Physics - Phenomenology · Physics 2017-12-06 Kento Asai , Koichi Hamaguchi , Natsumi Nagata

Neutrino masses and mixings are analyzed in terms of left-handed fields and a 6x6 complex symmetric mass matrix whose singular values are the neutrino masses. An angle x_nu characterizes the kind of the neutrinos, with x_nu = 0 for Dirac…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kevin Cahill

Implication of neutrino mass model based on $\Delta$(27) discrete flavor symmetry, on parameters of neutrino oscillations, CP violation and effective neutrino masses is studied using type-I seesaw mechanism. The Standard Model particle…

High Energy Physics - Phenomenology · Physics 2023-12-19 Ph. Wilina , N. Nimai Singh

This paper aims at solving several open questions in current neutrino physics: the neutrino mass hierarchy, the Dirac CP-violating phase, the absolute mass of neutrinos, the nature of neutrinos (Dirac or Majorana), the Majorana matrix, and…

High Energy Physics - Phenomenology · Physics 2022-07-20 Z. B. Todorovic

We build a model to describe neutrinos based on strict hierarchy, incorporating as much as possible, the latest known data, for $\Delta_{sol}$ and $\Delta_{atm}$, and for the mixing angles determined from neutrino oscillation experiments,…

High Energy Physics - Phenomenology · Physics 2009-11-07 Peter Kaus , Sydney Meshkov

We note that the emerging features of lepton mixing can be reproduced if, with inverted neutrino mass ordering, both the smallest neutrino mass and the $\tau\tau$ element of the neutrino mass matrix vanish. Then, the atmospheric neutrino…

High Energy Physics - Phenomenology · Physics 2015-06-16 Luís Lavoura , Werner Rodejohann , Atsushi Watanabe

The effects of CP-phases on the three absolute quasi-degenerate Majorana neutrino (QDN) masses are stud-ied with neutrino mass matrices obeying {\mu} - {\tau} symmetry for normal as well as inverted hierarchical mass patterns. We have made…

High Energy Physics - Phenomenology · Physics 2012-06-18 Ng. K. Francis , N. Nimai Singh

Determining the absolute masses of neutrinos is of fundamental importance in particle physics, nuclear physics, and astrophysics. We conjecture that intrinsic mass relations exist between leptons and quarks. Using these relations and…

High Energy Physics - Phenomenology · Physics 2015-06-05 Fu-Guang Cao

Amid the uncertainty regarding the fundamental nature of neutrinos, we adhere to the Dirac description, and construct a model in the framework of $\Delta(27)$ symmetry. The model successfully accounts for the hierarchical patterns of both…

High Energy Physics - Phenomenology · Physics 2025-01-23 Manash Dey , Subhankar Roy

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

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

We suggest mass matrices for neutrinos and charged leptons that can explain solar and atmospheric neutrino data. The resulting flavor mixing matrix $V_{\nu}$ has a property that $(V_{\nu})_{13}=0$, thus making $\nu_e \leftrightarrow…

High Energy Physics - Phenomenology · Physics 2009-10-30 Kyungsik Kang , Sin Kyu Kang , Jihn E. Kim , Pyungwon Ko

There is still a problem in neutrino physics related to the configuration of neutrino masses: Are neutrinos arranged by masses following the Standard Model as three generations of fundamental particles, Gen III>Gen II>Gen I, thus forming a…

High Energy Physics - Phenomenology · Physics 2021-09-06 Z. B. Todorovic

Inspired by the neutrino oscillations data, we consider the exact $\mu-\tau$ symmetry, implemented at the level of the neutrino mass matrix, as a good initial framework around which to study and describe neutrino phenomenology. Working in…

High Energy Physics - Phenomenology · Physics 2021-07-14 N. Chamoun , C. Hamzaoui , S. Lashin , S. Nasri , M. Toharia

We reconstruct the neutrino mass matrix in flavor basis, in the case of inverted mass hierarchy (ordering), using all available experimental data on neutrino masses and oscillations. We analyze the dependence of the matrix elements m_{alpha…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Frigerio , A. Yu. Smirnov
‹ Prev 1 2 3 10 Next ›