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A generalized phenomenological (3 + 2 + 1)-model with three active and three sterile neutrinos is considered for the calculation of the neutrino oscillation characteristics at normal mass hierarchy of active neutrinos and significant…

High Energy Physics - Phenomenology · Physics 2016-12-28 V. V. Khruschov , S. V. Fomichev , O. A. Titov

In view of the recent announcement on non-zero neutrino mass from Super-Kamiokande experiment, it would be very timely to investigate all the possible scenarios on masses and mixings of light neutrinos. Recently suggested mass matrix…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kyungsik Kang , Sin Kyu Kang , C. S. Kim , Sun Myoung Kim

The non-unitarity of the effective leptonic mixing matrix at low energies is a generic signal of extensions of the Standard Model (SM) with extra fermionic singlet particles, i.e. sterile or right-handed neutrinos, to account for the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stefan Antusch , Oliver Fischer

Based on an approach to quark and lepton masses, where the mass spectra originate in vacuum expectation values of U(3) flavor nonet (gauge singlet) scalars, neutrino masses and mixing are investigated. As an offshoot of this approach, it is…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yoshio Koide

A review of accelerator long-baseline neutrino oscillation experiments is provided, including all experiments performed to date and the projected sensitivity of those currently in progress. Accelerator experiments have played a crucial role…

High Energy Physics - Experiment · Physics 2013-05-09 G. J. Feldman , J. Hartnell , T. Kobayashi

In this follow up of arXiv:1812.04663 we analyze the generalized CP symmetries of the charged lepton mass matrix compatible with the complex version of the Tri-Bi-Maximal (TBM) lepton mixing pattern. These symmetries are used to `revamp'…

High Energy Physics - Phenomenology · Physics 2019-09-11 Peng Chen , Salvador Centelles Chuliá , Gui-Jun Ding , Rahul Srivastava , José W. F. Valle

We perform a systematic search for simple but viable lepton mixing patterns. Our main criterion is that the mixing matrix can be parameterized by three rotation angles, which are simple fractions of pi. These simple rotation angles possess…

High Energy Physics - Phenomenology · Physics 2015-05-28 Werner Rodejohann , He Zhang , Shun Zhou

What information about the neutrino mass spectrum and mixing matrix can be inferred from the existing neutrino oscillation data? We discuss here the answer to this question in the case of mixing of three and four neutrinos. We present the…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky , C. Giunti , W. Grimus

The corrections to neutrino mixing parameters in the presence of matter of constant density are calculated systematically as series expansions in terms of the mass hierarchy $\dm{21}/\dm{31}$. The parameter mapping obtained is then used to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Martin Freund

We discuss the possibility to probe leptonic mixing parameters at high-energy neutrino telescopes in a model-independent way, using astrophysical neutron and pion sources. In particular we show how the octant of the 2-3 mixing angle might…

High Energy Physics - Phenomenology · Physics 2009-11-11 Pasquale D. Serpico

The present experimental situation regarding neutrino oscillations is first summarized, followed by an overview of selected grand unified models which have been proposed to explain the various scenarios with three active neutrinos and their…

High Energy Physics - Phenomenology · Physics 2007-05-23 Carl H. Albright

Neutrino oscillations are studied employing sources of low energy monoenergetic neutrinos following electron capture by the nucleus and measuring electron recoils. Since the neutrino energy is very low the oscillation length appearing in…

High Energy Physics - Phenomenology · Physics 2011-01-27 J. D. Vergados , Y. Giomataris , Yu. N. Novikov

After a fascinating phase of discoveries, neutrino physics still has a few mysteries such as the absolute mass scale, the mass hierarchy, the existence of CP violation in the lepton sector and the existence of right-handed neutrinos. It is…

High Energy Physics - Experiment · Physics 2015-06-05 Fanny Dufour , Dave Wark

Neutrino oscillations have become well-known phenomenon; the measurements of neutrino mixing angles and mass squared differences are continuously improving. Future oscillation experiments will eventually determine the remaining unknown…

High Energy Physics - Phenomenology · Physics 2015-09-30 O. G. Miranda , H. Nunokawa

Anticipating future long-baseline neutrino experiments to search for neutrino oscillations in various oscillation channels, we have analyzed the atmospheric neutrino data in the framework of a model with mixing of three massive neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. M. Bilenky , C. Giunti , C. W. Kim

In this paper we explore the effect of non-unitary neutrino mixing on neutrino oscillation probabilities both in vacuum and matter. In particular, we consider the $\nu_\mu \to \nu_\tau$ channel and using a Neutrino Factory as the source for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Srubabati Goswami , Toshihiko Ota

Within the framework of three generations of leptons the schematical method for estimating CP asymmetry in neutrino oscillations is considered. We introduce a unitarity triangle corresponding to \nu_e-\nu_{\mu} oscillation, in addition, we…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Kimura , A. Takamura

The leptonic mixing matrix is examined within bi-large mixing patterns and confronted with the latest results announced by the Jiangmen Underground Neutrino Observatory (JUNO). We analyze the viability of bi large mixing schemes and assess…

High Energy Physics - Phenomenology · Physics 2025-12-01 Gui-Jun Ding , Ranjeet Kumar , Newton Nath , Rahul Srivastava , José W. F. Valle

Uncertainties in knowledge of neutrino interactions directly impact the ability to measure the parameters of neutrino oscillation. Experiments which make use of differing technologies and neutrino beams are sensitive to different…

High Energy Physics - Experiment · Physics 2008-11-26 C. W. Walter

Seesaw-type and low-scale models of neutrino masses are reviewed, along with the corresponding structure of the lepton mixing matrix. The status of neutrino oscillation parameters as of June 2006 is given, including recent fluxes, as well…

High Energy Physics - Phenomenology · Physics 2009-09-17 J. W. F. Valle
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