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Related papers: Neutrinos in Strong Magnetic Fields

200 papers

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 study the electromagnetic coupling of a neutrino that propagates in a two-stream electron background medium. Specifically, we calculate the electromagnetic vertex function for a medium that consists of a \emph{normal} electron background…

High Energy Physics - Phenomenology · Physics 2018-07-31 Jose F. Nieves , Sarira Sahu

We study the propagation of a neutrino in a medium that consists of two or more thermal backgrounds of electrons and nucleons moving with some relative velocity, in the presence of a static and homogeneous electromagnetic field. We…

High Energy Physics - Phenomenology · Physics 2018-07-31 Jose F. Nieves , Yaithd D. Olivas , Sarira Sahu

We derive general expressions at the one-loop level for the coefficients of the covariant structure of the neutrino self-energy in the presence of a constant magnetic field. The neutrino energy spectrum and index of refraction are obtained…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Elizalde , E. J. Ferrer , V. de la Incera

The active-sterile neutrino conversion probability is calculated for neutrino propagating in a medium in the presence of random magnetic field fluctuations. Necessary condition for the probability to be positive definite is obtained. Using…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sarira Sahu

Quantum Field Theory is applied to study an electron plasma under an intense neutrino flux. The dispersion relation of the longitudinal waves is derived and the damping rate is calculated. It is shown that in the case of Supernova emission…

High Energy Physics - Phenomenology · Physics 2007-05-23 Luis Bento

We derive exact expressions for the cross section of neutrino scattering on electrons in dense, hot stellar matter, in the presence of strong magnetic fields. Numerical calculations of the scattering cross sections at various densities,…

Astrophysics · Physics 2009-10-28 V. G. Bezchastnov , P. Haensel

We calculate the finite temperature self-energy for neutrinos in the presence of a constant magnetic field in a medium in the unbroken $SU(2) \otimes U(1)$ model. We obtain the exact dispersion relation for such neutrinos and find that the…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Erdas , C. W. Kim , T. H. Lee

We study the electromagnetic properties of a system that consists of an electron background and a neutrino gas that may be moving or at rest, as a whole, relative to the background. The photon self-energy for this system is characterized by…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jose' F. Nieves , Sarira Sahu

The neutrino self-energy is calculated in a weakly magnetized plasma consists of electrons, protons, neutrons and their anti-particles and using this we have calculated the neutrino effective potential up to order $M^{-4}_W$. In the absence…

High Energy Physics - Phenomenology · Physics 2009-12-10 Sarira Sahu , Nissim Fraija , Yong-Yeon Keum

In this work we calculate the decay rate of the electron type neutrinos into $W$ bosons and electrons in presence of an external uniform magnetic field. The decay rate is calculated from the imaginary part of the $W$ exchange neutrino…

High Energy Physics - Phenomenology · Physics 2009-08-05 Kaushik Bhattacharya , Sarira Sahu

The explicit energy dependence of the single particle self-energy (dispersive effects), due to short range correlations, is included in the treatment of neutron matter superfluidity. The method can be applied in general to strong…

Nuclear Theory · Physics 2009-11-06 M. Baldo , A. Grasso

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

A first-principle study of diffusion in a strongly coupled one-component plasma in a magnetic field B is presented. As in a weakly coupled plasma, the diffusion coefficient perpendicular to the field exhibits a Bohm-like 1/B-behavior in the…

Plasma Physics · Physics 2011-12-30 T. Ott , M. Bonitz

Oscillations of neutrino emerging from a supernova core are studied. In this extremely high density region neutrino self interactions induce collective flavor transitions. When collective transitions are decoupled from matter oscillations,…

High Energy Physics - Phenomenology · Physics 2008-05-19 Gianluigi Fogli , Eligio Lisi , Antonio Marrone , Alessandro Mirizzi

If high-energy neutrinos propagate in a background of ultralight scalar field particles of dark matter ($m_\varphi \sim 10^{-23}$eV), neutrino-dark matter interactions can play a role and affect the neutrino flux. In this work we analyse…

High Energy Physics - Phenomenology · Physics 2016-06-01 Matías M. Reynoso , Oscar A. Sampayo

The geometric phase for neutrinos propagating in an adiabatically varying magnetic field in matter is calculated. It is shown that for neutrino propagation in sufficiently large magnetic field the neutrino eigenstates develop a significant…

High Energy Physics - Phenomenology · Physics 2016-02-17 Sandeep Joshi , Sudhir R. Jain

The relativistic kinetic equations (RKE) for lepton plasma in the presence of a strong external magnetic field are derived in Vlasov approximation. The new RKE for the electron spin distribution function includes the weak interaction with…

High Energy Physics - Phenomenology · Physics 2011-05-23 V. N. Oraevsky , V. B. Semikoz

The spin effects on electromagnetic waves in a strongly magnetized plasma with rare collisions is considered with the help of relativistic kinetic equations, which takes into account the electron spin dynamics in the selfconsistent electric…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. N. Oraevsky , V. B. Semikoz , A. S. Volokitin

We consider the propagation of a neutrino or an antineutrino in a medium composed of fermions $f$ and scalars $\phi$ interacting via a Yukawa-type coupling of the form $\bar f\nu\phi$, for neutrino energies at which the processes like $\nu…

High Energy Physics - Phenomenology · Physics 2022-05-24 Jose F. Nieves , Sarira Sahu