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We investigate the quantum mechanical oscillations of neutrinos propagating in weak gravitational field. The correction to the result in the flat space-time is derived.

General Relativity and Quantum Cosmology · Physics 2015-06-25 Yasufumi Kojima

The rich phenomenology of collective neutrino oscillations has been studied only in one-dimensional or spherically symmetric systems. Motivated by the non-spherical example of coalescing neutron stars, presumably the central engines of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Basudeb Dasgupta , Amol Dighe , Alessandro Mirizzi , Georg G. Raffelt

We investigate the implications of decoherence induced by quantum spacetime properties on neutrino oscillation phenomena. We develop a general formalism where the evolution of neutrinos is governed by a Lindblad-type equation and we compute…

High Energy Physics - Phenomenology · Physics 2024-05-22 Vittorio D'Esposito , Giulia Gubitosi

Although neutrino-antineutrino states originating from neutral-current interactions are blind concerning the flavor state, an oscillation pattern is predicted provided that both neutrino and antineutrino are detected. This issue arises from…

High Energy Physics - Phenomenology · Physics 2023-05-24 M. M. Ettefaghi , Z. Askaripour Ravari

There is renewed attention to whether we can observe the decoherence effect in neutrino oscillation due to the separation of wave packets with different masses in near-future experiments. As a contribution to this endeavor, we extend the…

High Energy Physics - Phenomenology · Physics 2023-10-18 Haruhi Mitani , Kin-ya Oda

We consider a neutrino source at rest and discuss a condition for the existence of neutrino oscillations which derives from the finite lifetime $\tau_S$ of the neutrino source particle. This condition is present if the neutrino source is a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Walter Grimus , Subhendra Mohanty , Peter Stockinger

This work explores the possibility of resorting to neutrino phenomenology to detect evidence of new physics, caused by the residual signals of the supposed quantum structure of spacetime. In particular, this work investigates the effects on…

High Energy Physics - Phenomenology · Physics 2021-10-19 Marco Danilo Claudio Torri

Canonical neutrino oscillations arise due to the propagation of three mass eigenstates from production to detection. We aspire to capture, in one simple framework, a broad range of new physics effects on neutrino propagation beyond this…

High Energy Physics - Phenomenology · Physics 2023-03-22 Hannah Banks , Kevin J. Kelly , Matthew McCullough

Considering the neutrino state like an open quantum system, we analyze its propagation in vacuum or in matter. After defining what can be called decoherence and relaxation effects, we show that in general the probabilities in vacuum and in…

High Energy Physics - Phenomenology · Physics 2016-05-11 Roberto L. N. Oliveira , Marcelo M. Guzzo , Pedro C. de Holanda

We examine the reliability of the theoretical methods presently used for analysis and prediction of neutrino oscillation phenomena. Of particular interest are the limitations imposed by branch points when expansions in one of the small…

High Energy Physics - Phenomenology · Physics 2016-07-11 Mikkel B. Johnson , Ernest M. Henley , Leonard S. Kisslinger

We discuss the impact of ideas of open quantum systems and quantum information to various facets of neutrino and neutral meson oscillations. These oscillations are characterized by a number of quantum correlations, both spatial as well as…

High Energy Physics - Phenomenology · Physics 2024-12-05 Subhashish Banerjee

Neutrino oscillation is visualized as coupled vibrations. Unlike existing models describing neutrino oscillations, our model involving a single fundamental mass parameter $m$ and first discussed in the context of a possible boson…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Jyotisekhar Bhattacharyya , Satyabrata Biswas

Neutrino oscillation parameters can be understood in a better way by building a more complete picture of neutrino interactions. This poses a series of important theoretical and experimental challenges because of the elusive nature of…

High Energy Physics - Phenomenology · Physics 2023-06-13 Q. Gani , M. Hameeda

We study neutrino oscillations in a medium of dark matter which generalizes the standard matter effect. A general formula is derived to describe the effect of various mediums and their mediators to neutrinos. Neutrinos and anti-neutrinos…

High Energy Physics - Phenomenology · Physics 2019-10-08 Ki-Young Choi , Eung Jin Chun , Jongkuk Kim

We present a quantum field theoretical approach to the vacuum neutrino oscillations in curved space, we analyze the non--trivial interplay between quantum field mixing and field quantization in curved space and derive new oscillation…

High Energy Physics - Theory · Physics 2021-01-19 Antonio Capolupo , Gaetano Lambiase , Aniello Quaranta

We examine the central tenet of the current standard theory of neutrino oscillations, namely the assumption that neutrinos are emitted and detected as flavour neutrino states, which are coherent superpositions of massive neutrino states of…

High Energy Physics - Phenomenology · Physics 2025-09-24 Anca Tureanu

A new model for neutrino oscillations is introduced, in which mass-like behavior is seen at high energies, but various behavior can be predicted at low energies. The model employs no neutrino masses, but instead relies on the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Kevin Labe

We derive the new quasi-classical equation for the description of the spin evolution of a neutrino propagating in a curved space-time and interacting with a background matter and an external electromagnetic field. This equation is used to…

High Energy Physics - Phenomenology · Physics 2013-06-17 Maxim Dvornikov

By resorting to recent results on the relativistic currents for mixed (flavor) fields, we calculate a space-time dependent neutrino oscillation formula in Quantum Field Theory. Our formulation provides an alternative to existing approaches…

High Energy Physics - Phenomenology · Physics 2008-11-26 Massimo Blasone , Paulo Pires Pacheco , Hok Wan Chan Tseung

The study of neutrino interactions has recently experienced a renaissance, motivated by the fact that neutrino oscillation experiments depend critically on an accurate models of neutrino interactions. These models have to predict not only…

High Energy Physics - Experiment · Physics 2015-06-10 Deborah A. Harris