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Variations around the average density and composition of the Earth mantle may affect long-baseline (anti)neutrino oscillations through matter effects. For baselines not exceeding a few thousand km, such effects are known to be very small,…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. L. Fogli , G. Lettera , E. Lisi

If neutrino oscillation plays a role in explaining the atmospheric neutrino deficit, then the same phenomenon would necessarily affect also the dark matter indirect-detection signal which consists in a muon-neutrino flux produced by…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicolao Fornengo

We investigate the effect induced by neutrino oscillation on the dark matter indirect detection signal which consists in a muon neutrino flux produced by neutralino annihilation in the Earth core. We consider the neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicolao Fornengo

We investigate the effects of random density fluctuations on neutrino oscillations in the Sun environment. We show how the average of certain quantities which can be used to describe the MSW effect can be computed analytically. We examine…

High Energy Physics - Phenomenology · Physics 2016-09-01 Emilio Torrente-Lujan

We present a formalism for the matter effects in the Earth on low energy neutrino fluxes which is both accurate and has all advantages of a full analytic treatment. The oscillation probabilities are calculated up to second order term in…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. N. Ioannisian , N. A. Kazarian , A. Yu. Smirnov , D. Wyler

We describe the effects of neutrino propagation in the matter of the Earth relevant for experiments with atmospheric and accelerator neutrinos and aimed at the determination of the neutrino mass hierarchy and CP-violation. These include (i)…

High Energy Physics - Phenomenology · Physics 2013-06-13 Mattias Blennow , Alexei Yu. Smirnov

We consider a thought experiment, in which a neutrino is produced by an electron on a nucleus in a crystal. The wave function of the oscillating neutrino is calculated assuming that the electron is described by a wave packet. If the…

High Energy Physics - Phenomenology · Physics 2009-01-07 A. D. Dolgov , O. V. Lychkovskiy , A. A. Mamonov , L. B. Okun , M. G. Schepkin

Knowledge of the composition of the Earth's interior is highly relevant to many geophysical and geochemical problems. Neutrino oscillations are modified in a non-trivial way by the matter effects and can provide valuable and unique…

The new effect of partial and full destruction of the neutrino oscillation pattern due to the neutrino wave packets separation in the transverse plane to the direction of the neutrino propagation is investigated. It is shown that this…

High Energy Physics - Phenomenology · Physics 2012-03-09 Dmitry Zhuridov

Nonlinear damping, the change in damping rate with the amplitude of oscillations plays an important role in many electrical, mechanical and even biological oscillators. In novel technologies such as carbon nanotubes, graphene membranes or…

Quantum mechanical interactions between neutrinos and matter along the path of propagation, the Wolfenstein matter effect, are of particular importance for the upcoming long-baseline neutrino oscillation experiments, specifically the Deep…

High Energy Physics - Phenomenology · Physics 2018-07-25 Kevin J. Kelly , Stephen J. Parke

Neutrino oscillations change when in media in comparison to vacuum oscillations due to the scattering of neutrinos on matter constituents, electrons particularly. This can be easily described by introducing new effective matter mixing…

High Energy Physics - Phenomenology · Physics 2018-10-02 Tomas Nosek

Parametric enhancement of the appearance probability of the neutrino oscillation under the inhomogeneous matter is studied. Fourier expansion of the matter density profile leads to a simple resonance condition and manifests that each…

High Energy Physics - Phenomenology · Physics 2009-10-16 Masafumi Koike , Toshihiko Ota , Masako Saito , Joe Sato

As the increasing of neutrino energy or matter density, the neutrino oscillation in matter may undergo "vacuum-dominated", "resonance" and "matter-dominated" three different stages successively. Neutrinos endure very different matter…

High Energy Physics - Phenomenology · Physics 2020-02-26 Shu Luo

Space-time localization diagrams ``unlock" subtle aspects of $\nu$ oscillations such as coherence and entanglement. Observability of propagation decoherence in oscillating neutrino state is discussed. The sizes of WPs of reactor and source…

High Energy Physics - Phenomenology · Physics 2022-12-21 Alexei Y Smirnov

Current long-baseline accelerator experiments, NOvA and T2K, are making excellent measurements of neutrino oscillations and the next generation of experiments, DUNE and HK, will make measurements at the $\mathcal O(1\%)$ level of precision.…

High Energy Physics - Phenomenology · Physics 2024-03-11 Peter B. Denton , Stephen J. Parke

It is well known that when the distance $t$ traveled by neutrinos in matter is short, matter effects in oscillations of neutrino flavour are small and decrease with decreasing $t$ more rapidly than the oscillations effects themselves. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov

The neutrino oscillation patterns can be modified by neutrino interactions with external environments including electromagnetic fields that can influence on neutrinos in the case neutrinos have nonzero electromagnetic properties [1]. The…

High Energy Physics - Phenomenology · Physics 2020-01-01 Konstantin Stankevich , Alexander Studenikin

Effects of decoherence by wave packet separation on collective neutrino oscillations in dense neutrino gases are considered. We estimate the length of the wave packets of neutrinos produced in core collapse supernovae and the expected…

High Energy Physics - Phenomenology · Physics 2017-09-21 Evgeny Akhmedov , Joachim Kopp , Manfred Lindner

The MSW (Mikheyev-Smirnov-Wolfenstein) effect is the adiabatic or partially adiabatic neutrino flavor conversion in medium with varying density. The main notions related to the effect, its dynamics and physical picture are reviewed. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Yu. Smirnov