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Related papers: Neutrinos self interactions in Supernovae

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In environments with prodigious numbers of neutrinos, such as core-collapse supernovae, neutron star mergers, or the early universe, neutrino-neutrino interactions are dynamically significant. They can dominate neutrino flavor evolution and…

High Energy Physics - Theory · Physics 2025-03-18 Pooja Siwach , A. Baha Balantekin , Amol V. Patwardhan , Anna M. Suliga

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

A lingering mystery in core-collapse supernova theory is how collective neutrino oscillations affect the dynamics. All previously identified flavor instabilities, some of which might make the effects considerable, are essentially…

High Energy Physics - Phenomenology · Physics 2023-05-09 Lucas Johns

The aim of these notes is to provide a brief review of the topic of neutrino astronomy and in particular of neutrinos from core collapse supernovae. They are addressed to a curious reader, beginning to work in a multidisciplinary area that…

Astrophysics · Physics 2009-11-10 Flavio Cavanna , Maria Laura Costantini , Ornella Palamara , Francesco Vissani

Neutrinos in dense environments undergo collective pair conversions $\nu_e\bar{\nu}_e \leftrightarrow \nu_x\bar{\nu}_x$, where $x$ is a non-electron flavor, due to forward scattering off each other that may be a crucial ingredient for…

High Energy Physics - Phenomenology · Physics 2018-02-02 Basudeb Dasgupta , Manibrata Sen

Recently, we suggested that low-energy beta-beam neutrinos can be very useful for the study of supernova neutrino interactions. In this paper, we examine the use of a such experiment for the analysis of a supernova neutrino signal. Since…

Nuclear Theory · Physics 2008-11-26 N. Jachowicz , G. C. McLaughlin , C. Volpe

Neutrino propagation in space-time is not constrained to be unitary if very light states - lighter than the active neutrinos - exist into which neutrinos may decay. If this is the case, neutrino flavor-change is governed by a handful of…

High Energy Physics - Phenomenology · Physics 2015-02-13 Jeffrey M. Berryman , André de Gouvêa , Daniel Hernández , Roberto L. N. Oliveira

The supernova neutrino flavor evolution in the presence of the non-trivial neutrino magnetic moment and strong magnetic field is numerically derived using the two-flavor and single-angle approximation. The novel properties of collective…

High Energy Physics - Phenomenology · Physics 2021-05-18 Ziyi Yuan , Yu-Feng Li , Xiang Zhou

Neutrino flux streaming from a supernova can undergo rapid flavor conversions almost immediately above the core. Focusing on this region, we study these fast conversions using a linear stability analysis. We find that, for realistic angular…

High Energy Physics - Phenomenology · Physics 2017-02-23 Manibrata Sen

We discuss the relationship between a symmetry in the neutrino flavour evolution equations and neutrino flavour oscillations in the collective precession mode. This collective precession mode can give rise to spectral swaps (splits) when…

Astrophysics · Physics 2009-08-25 Huaiyu Duan , George M. Fuller , Yong-Zhong Qian

We examine the propagation and flavor oscillations of neutrinos under the influence of gravitational waves (GWs) with an arbitrary polarization. We rederive the effective Hamiltonian for the system of three neutrino flavors using the…

High Energy Physics - Phenomenology · Physics 2021-08-24 Maxim Dvornikov

A nascent neutron star resulting from stellar collapse is a prodigious source of neutrinos of all flavors. While the most basic features of this neutrino emission can be estimated from simple considerations, the detailed simulation of the…

Astrophysics · Physics 2008-11-26 Christian Y. Cardall

Neutrinos in core collapse supernovae are likely trapped by neutrino-nucleus elastic scattering. Using molecular dynamics simulations, we calculate neutrino mean free paths and ion-ion correlation functions for heterogeneous plasmas. Mean…

Astrophysics · Physics 2007-05-23 O. L Caballero , C. J. Horowitz , D. K. Berry

Neutrino-neutrino refraction dominates the flavor evolution in core-collapse supernovae, neutron-star mergers, and the early universe. Ordinary neutrino flavor conversion develops on timescales determined by the vacuum oscillation…

High Energy Astrophysical Phenomena · Physics 2021-09-28 Irene Tamborra , Shashank Shalgar

A variety of neutrino flavour conversion phenomena occur in core-collapse supernova, due to the large neutrino density close to the neutrinosphere, and the importance of the neutrino-neutrino interaction. Three different regimes have been…

Solar and Stellar Astrophysics · Physics 2015-05-27 Sebastien Galais , Cristina Volpe

The phenomenon of neutrino oscillation has been firmly established: neutrinos change their flavor in their path from their source to observers. This paper is dedicated to the description of experimental results in the oscillation field, of…

High Energy Physics - Experiment · Physics 2009-11-05 U. Dore , D. Orestano

It has been recently pointed out that neutrino fluxes from a supernova can show substantial flavor conversions almost immediately above the core. Using linear stability analyses and numerical solutions of the fully nonlinear equations of…

High Energy Physics - Phenomenology · Physics 2017-02-16 Basudeb Dasgupta , Alessandro Mirizzi , Manibrata Sen

We investigate the effects of nonstandard four-fermion neutrino-neutrino interactions on the flavor evolution of dense neutrino gases. We find that in the regions where the neutrino-neutrino refractive index leads to collective flavor…

High Energy Physics - Phenomenology · Physics 2010-04-21 Mattias Blennow , Alessandro Mirizzi , Pasquale D. Serpico

We calculate rates of flavor exchange within clouds of neutrinos interacting with each other through the standard model coupling, assuming a conventional mass matrix. For cases in which there is an angular dependence in the relation among…

Astrophysics · Physics 2009-10-29 R. F. Sawyer

The neutrinos detected from the next Galactic core-collapse supernova will contain valuable information on the internal dynamics of the explosion. One mechanism leading to a temporal evolution of the neutrino signal is the variation of the…

Astrophysics · Physics 2008-11-26 James P. Kneller , Gail C. McLaughlin , Justin Brockman
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