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Related papers: Standard and non-standard neutrino properties

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Recently, the reactor mixing angle $\theta_{13}$ has been measured precisely by Daya Bay, RENO and T2K experiments with a moderately large value. However, the standard form of neutrino mixing patterns such as bimaximal, tri-bimaximal,…

High Energy Physics - Phenomenology · Physics 2015-09-02 Sruthilaya M. , Soumya C. , K. N. Deepthi , R. Mohanta

Due to sphaleron processes in the high-temperature symmetric phase of the standard model the cosmological baryon asymmetry is related to neutrino properties. For hierarchical neutrino masses, with $B-L$ broken at the unification scale…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Buchmüller , M. Plümacher

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Harald Fritzsch , Zhi-zhong Xing

Majorana CP violating phases coming from heavy right-handed Majorana mass matrices ($M_{RR}$) are considered to estimate the masses of neutrinos.The effects of phases on quasi-degenerate neutrinos mass matrix obeying $\mu$-$\tau$ symmetry…

High Energy Physics - Phenomenology · Physics 2023-11-28 Ng. K. Francis

We present a new global fit of neutrino oscillation parameters within the simplest three-neutrino picture, including new data which appeared since our previous analysis~\cite{Forero:2014bxa}. In this update we include new long-baseline…

High Energy Physics - Phenomenology · Physics 2018-06-20 P. F. de Salas , D. V. Forero , C. A. Ternes , M. Tortola , J. W. F. Valle

Assuming universality of Yukawa coupling of the superpotential and maximal spontaneous CP violation, fermion masses and mixing angles including that of neutrinos are studied in an SUSY SO(10)$\times \Delta (48)\times$ U(1) model with small…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. C. Chou , Yue-Liang Wu

Sensitivities to neutrino oscillation parameters for possible very long baseline neutrino oscillation experiments are discussed. The reach for observing a non-zero mixing angle $\theta_{13}$, establishing CP violation and determining the…

High Energy Physics - Experiment · Physics 2008-11-26 Mark Dierckxsens

Data from atmospheric and solar neutrinos indicate that there are at least three neutrino types involved in oscillation phenomena. Even if the corresponding neutrino mass scales are very different, the inevitable reference to mixing between…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. De Rujula , M. B. Gavela , P. Hernandez

The PMNS neutrino mixing matrix is given, in general, by the product of two unitary matrices associated with the diagonalization of the charged lepton and neutrino mass matrices, respectively. Assuming that the active flavor neutrinos…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. T. Petcov , W. Rodejohann

Neutrino physics is nowadays receiving more and more attention as a possible source of information for the long standing problem of new Physics beyond the Standard Model. The recent measurements of the third mixing angle $\theta_{13}$ in…

High Energy Physics - Phenomenology · Physics 2013-10-08 Luca Stanco , Stefano Dusini , Andrea Longhin , Alessandro Bertolin , Marco Laveder

We present a necessary condition on the solar oscillation amplitude for CP violation to be detectable through neutrinoless double beta (0\nu\beta\beta) decay. It depends only on the fractional uncertainty in the \nu_e-\nu_e element of the…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , S. L. Glashow , P. Langacker , D. Marfatia

We consider corrections to vanishing U_{e3} and maximal atmospheric neutrino mixing originating from the relation U = U_ell^dagger U_nu, where U is the PMNS mixing matrix and U_ell (U_nu) is associated with the diagonalization of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. A. Hochmuth , S. T. Petcov , W. Rodejohann

In this note I mainly focus on the neutrino physics part in my talk and report the most recent progress made in \cite{YLW0}. It is seen that the Majorana features of neutrinos and SO(3) gauge flavor symmetry can simultaneously explain the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yue-Liang Wu

We investigate the effects of a nonzero leptonic mixing angle $\theta_{13}$ on the solar neutrino day-night asymmetry. Using a constant matter density profile for the Earth and well-motivated approximations, we derive analytical expressions…

High Energy Physics - Phenomenology · Physics 2009-11-10 Mattias Blennow , Tommy Ohlsson , Hakan Snellman

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

The preference of the normal neutrino mass ordering from the recent cosmological constraint and the global fit of neutrino oscillation experiments does not seem like a wise choice at first glance since it obscures the neutrinoless double…

High Energy Physics - Phenomenology · Physics 2020-08-26 Shao-Feng Ge , Jing-yu Zhu

We introduce the representation on one unitarity triangle of the constraints resulting (1) from the interpretation of solar and atmospheric neutrino data in terms of oscillations, and (2) from the search for neutrinoless double beta decay.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Francesco Vissani

Assuming three-neutrino mixing, we study the capabilities of very long baseline neutrino oscillation experiments to verify and test the MSW effect and to measure the lepton mixing angle theta_13. We suppose that intense neutrino and…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Freund , M. Lindner , S. T. Petcov , A. Romanino

Motivated by recent measurements which strongly support a nonzero reactor mixing angle $\theta_{13}$, we study a deviation from $S_3$ neutrino discrete symmetry by explicitly breaking the neutrino mass matrix with a general retrocirculant…

High Energy Physics - Phenomenology · Physics 2013-08-13 H. B. Benaoum

Leptonic CP violation is one of the most important topics in neutrino physics. CP violation in the neutrino sector is strongly related to the nature of neutrinos: whether they are Dirac or Majorana particles. In \cite{Popov:2021icg} we have…

High Energy Physics - Phenomenology · Physics 2023-02-14 Artem Popov , Alexander Studenikin
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