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Here we study the pattern of neutrino oscillations emerging from a previously proposed warped model construction incorporating $\Delta(27)$ flavor symmetry. In addition to a complete description of fermion masses, the model predicts the…

High Energy Physics - Phenomenology · Physics 2017-06-07 Pedro Pasquini , S. C. Chuliá , J. W. F. Valle

We compare the sensitivity of the upcoming long-baseline neutrino experiments Protvino to Super-ORCA (P2SO) and the Deep Underground Neutrino Experiment (DUNE) to non-unitarity (NU) of the leptonic mixing matrix in a model-independent…

High Energy Physics - Phenomenology · Physics 2026-03-03 Sambit Kumar Pusty , Samiran Roy , Monojit Ghosh , Rukmani Mohanta

On 2010 MINOS experiment was showing an hint of possible different mass splitting and mixing angles for neutrinos and anti-neutrinos, suggesting a charge-parity-time (CPT) violation in the lepton sector; last year 2012 a second result from…

High Energy Physics - Phenomenology · Physics 2013-03-13 D. Fargion , D. D Armiento

Charge-Parity-Time (CPT) symmetry governs that the oscillation parameters for neutrinos and anti-neutrinos are to be identical. Different mass and mixing parameters for these particles may give us a possible hint for CPT violation in the…

High Energy Physics - Experiment · Physics 2020-04-02 Daljeet Kaur

Aspects of 3-neutrino mixing and oscillations in vacuum and in matter with constant density are investigated working with a real form of the neutrino Hamiltonian. We find the (approximate) equalities $\theta^m_{23} = \theta_{23}$ and…

High Energy Physics - Phenomenology · Physics 2018-09-17 S. T. Petcov , Ye-Ling Zhou

We present simple analytical approximations to matter-effect corrected effective neutrino mixing-angles and effective mass-squared-differences. The expressions clarify the dependence of oscillation probabilities in matter to the mixing…

High Energy Physics - Phenomenology · Physics 2007-05-23 Minako Honda , Yee Kao , Naotoshi Okamura , Tatsu Takeuchi

A high-precision measurement of $\Delta m^2_{31}$ and $\theta_{23}$ is inevitable to estimate the Earth's matter effect in long-baseline experiments which in turn plays an important role in addressing the issue of neutrino mass ordering and…

High Energy Physics - Phenomenology · Physics 2026-02-27 Sanjib Kumar Agarwalla , Ritam Kundu , Masoom Singh

Long-baseline neutrino oscillation experiments, in particular Deep Underground Neutrino Experiment (DUNE) and Tokai to Hyper-Kamiokande (T2HK), will lead the effort in the precision determination of the as yet unknown parameters of the…

High Energy Physics - Phenomenology · Physics 2017-08-30 Peter Ballett , Stephen F. King , Silvia Pascoli , Nick W. Prouse , TseChun Wang

As physicists pursue precision neutrino measurements, complementary experiments covering varied oscillation landscapes have become essential for resolving current tensions in global fits. This thesis presents projected sensitivities and…

High Energy Physics - Phenomenology · Physics 2025-09-24 Masoom Singh

This paper discusses recent results and near-term prospects of the long-baseline neutrino experiments MINOS, MINOS+, T2K and NOvA. The non-zero value of the third neutrino mixing angle {\theta}13 allows experimental analysis in a manner…

High Energy Physics - Experiment · Physics 2016-02-17 Tsuyoshi Nakaya , Robert K. Plunkett

The complete description of neutrino oscillations require the wave packet treatment. For terrestrial experiments the contribution from the interaction of neutrino with the Earth matter would modify oscillation pattern, i.e., the dependence…

High Energy Physics - Phenomenology · Physics 2012-06-06 Nan Qin , Bo-Qiang Ma

The Kamiokande II and IMB data on contained events induced by atmospheric neutrinos exhibit too low a ratio of muons to electrons, which has been interpreted as a possible indication of neutrino oscillations. At the same time, the recent…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Akhmedov , P. Lipari , M. Lusignoli

The results previously obtained from the model-independent application of a generalized hidden horizontal $\mathbb{Z}_2$ symmetry to the neutrino mass matrix are updated using the latest global fits for the neutrino oscillation parameters.…

High Energy Physics - Phenomenology · Physics 2014-09-17 Andrew D. Hanlon , Wayne W. Repko , Duane A. Dicus

We examine how large CP- and T-violation effects are allowed in long baseline neutrino experiments with three generations of neutrinos, considering both the solar neutrino deficit and the atmospheric neutrino anomaly. We considerd two…

High Energy Physics - Phenomenology · Physics 2008-02-03 Masafumi Koike , Joe Sato

Over the past few decades, data from leading neutrino experiments have firmly established neutrino oscillation, implying non-zero neutrino masses and leptonic mixing and thereby providing confirmed evidence of physics beyond the Standard…

High Energy Physics - Phenomenology · Physics 2026-03-02 Ritam Kundu

We reconsider neutrino decay as an explanation for atmospheric neutrino observations. We show that if the mass-difference relevant to the two mixed states \nu_\mu and \nu_\tau is very small (< 10^{-4} eV^2), then a very good fit to the…

High Energy Physics - Phenomenology · Physics 2009-09-25 V. Barger , J. G. Learned , P. Lipari , M. Lusignoli , S. Pakvasa , T. J. Weiler

The planned LBL experiments will be able to prove the hypothesis of flavor oscillation between muon and tau neutrinos. We explore the possibility of a second generation long baseline experiment at very long baseline, i.e. L in the range…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Campanelli , A. Bueno , A. Rubbia

A realistic medium- or long-baseline neutrino experiment may suffer from terrestrial matter effects which are likely to contaminate the genuine T-violating asymmetry between \nu_\alpha \to \nu_\beta and \nu_\beta \to \nu_\alpha…

High Energy Physics - Phenomenology · Physics 2015-06-15 Zhi-zhong Xing

We consider possibilities of observing T-violation effects in neutrino oscillation experiments with very long baseline (~ 10000 km) using low energy neutrino (~ several hundreds MeV). We show that the matter effect effectively changes only…

High Energy Physics - Phenomenology · Physics 2009-10-31 Masafumi Koike , Joe Sato

A comprehensive formalism for the description of neutrino oscillations in the Earth in a general scheme with three massive neutrinos and the mass hierarchy m_1<<m_2<<m_3 is presented. Using this formalism, which is valid both in vacuum and…

High Energy Physics - Phenomenology · Physics 2011-07-19 C. Giunti , C. W. Kim , M. Monteno