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Related papers: Neutrino spin and dispersion in magnetized medium

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The interaction of longitudinal and transversal polarized neutrinos (antineutrinos) with the field of a nucleus is investigated at the account of their rest mass, charge, magnetic, anapole and electric dipole moments. The compound structure…

High Energy Physics - Phenomenology · Physics 2013-07-18 B. S. Yuldashev , R. S. Sharafiddinov

In a previous work [16], a new model was introduced, taking into account the role of the Fermi weak force due to neutrinos coupled to magnetohydrodynamic plasmas. The resulting neutrino-magnetohydrodynamics was investigated in a particular…

Plasma Physics · Physics 2017-12-20 Fernando Haas , Kellen Alves Pascoal

The effect of a strong magnetic field on the dominant neutrino emissivity in strange stars is investigated. In ultra strong magnetic field, there exists an enhanced neutrino emission because the charged particles are confined to the lowest…

Astrophysics · Physics 2015-06-24 Liu Xuewen , Zheng Xiaoping , Hou Defu

After a brief presentation of the general techniques used to determine neutrino potentials in a magnetized medium I will discuss MSW resonant oscillations of active and sterile neutrinos in such environment. Using my results I will…

Astrophysics · Physics 2007-05-23 Dario Grasso

It is evaluated the first order temperature correction to the energy of massive neutrino in the case of weak magnetic field.

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Gogberashvili , L. Midodashvili , P. Midodashvili

The radiative decay of sterile neutrinos with typical masses of 10 keV is investigated in the presence of a strong magnetic field and degenerate plasma. Full account is taken of the strongly modified photon dispersion relation relative to…

High Energy Physics - Phenomenology · Physics 2015-01-14 Alexandra A. Dobrynina , Nicolay V. Mikheev , Georg G. Raffelt

We present a new method of calculating the rate of neutrino-electron interactions in a strong magnetic field based on finite temperature field theory. Using this method, in which the effect of the magnetic field on the electron states is…

Astrophysics · Physics 2009-10-31 Stephen J. Hardy , Markus H. Thoma

The Ritus' $E_{p}$ eigenfunction method is extended to the case of spin-1 charged particles in a constant electromagnetic field and used to calculate the one-loop neutrino self-energy in the presence of a strong magnetic field.From the…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. Elizalde , E. J. Ferrer , V. de la Incera

We present a theory of neutrino oscillations in a dense medium which goes beyond the effective matter potential used in the description of the MSW effect. We show how the purity of the neutrino state is degraded by neutrino interactions…

High Energy Physics - Phenomenology · Physics 2021-07-20 Antonio Capolupo , Salvatore Marco Giampaolo , Aniello Quaranta

We conjecture that neutrino physics might correspond to the spontaneous magnetisation phase of an Ising-like spin model interaction coupled to neutrino chirality which operates at scales close to the Planck mass. We argue that this scenario…

High Energy Physics - Phenomenology · Physics 2007-05-23 Steven D. Bass

If massive neutrinos possess magnetic moments, they can undergo spin flip in a magnetic field. The magnetic fields needed for a meaningful measurement of neutrino moments could be very high and may occur in astronomical objects such as some…

High Energy Physics - Phenomenology · Physics 2022-02-23 G. Domokos , S. Kovesi-Domokos

We explore the impact of magnetic field on neutrino-matter interactions in core-collapse supernova. We first derive the modified source terms for neutrino-nucleon scattering and neutrino absorption and emission processes in the moment…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Takami Kuroda

We highlight the progress in our understanding of how neutrinos change their flavor in astrophysical environments, in particular effects from the neutrino self-interaction. We emphasize extended descriptions of neutrino propagation in…

High Energy Astrophysical Phenomena · Physics 2016-06-22 Cristina Volpe

We study the neutrino-photon processes like $\gamma\gamma\to\nu\bar{\nu}$ in the presence of uniform external magnetic field for the case when neutrinos can couple to the electromagnetic field directly through their dipole magnetic moment…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ashok Goyal

The effects of a strong magnetic field in the dynamical response of a pure neutron system to a weak neutrino probe are studied within the framework of the Landau Fermi Liquid Theory in the non-relativistic Hartree-Fock approximation. We use…

Nuclear Theory · Physics 2010-04-22 M. Angeles Perez-Garcia

We calculate the nucleon contribution to the electromagnetic vertex of a neutrino in a background of particles, including the effect of the anomalous magnetic moment of the nucleons. Explicit formulas for the form factors are given in…

High Energy Physics - Phenomenology · Physics 2009-10-30 Juan Carlos D'Olivo , Jose F. Nieves

Electron polarization induced by magnetic fields can modify the potentials relevant for describing neutrino conversions in media with magnetic fields. The magnitudes of polarization potentials are determined for different conditions. We…

High Energy Physics - Phenomenology · Physics 2009-09-17 H. Nunokawa , V. B. Semikoz , A. Yu. Smirnov , J. W. F. Valle

We consider main ingredients which determine neutrino transformations in media. Strong transformations relevant for the astrophysics can be due to large depth oscillations, resonance conversion, parametric resonance effect, interplay of…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Yu. Smirnov

The active-sterile neutrino conversion is studied for neutrino propagating in the axial potential generated by magnetised electron plasma in the supernova medium. We consider the effect of random magnetic field $B_{rms}$ on the average…

High Energy Physics - Phenomenology · Physics 2009-12-30 Sarira Sahu , Vishnu M. Bannur

We study the neutrino scattering off a rotating black hole with a realistic accretion disk permeated by an intrinsic magnetic field. Neutrino trajectories in curved spacetime as well as the particle spin evolution in dense matter of an…

High Energy Physics - Phenomenology · Physics 2021-04-05 Maxim Dvornikov
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