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Related papers: Neutrino propagation in magnetized plasma

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Neutrino dispersion properties in an active medium consisting of magnetic field and plasma are analysed. We consider in detail the contribution of a magnetic field into the neutrino self-energy operator Sigma (p). The results for this…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Kuznetsov , N. V. Mikheev

We calculate the neutrino self-energy operator Sigma (p) in the presence of a magnetic field B. In particular, we consider the weak-field limit e B << m_\ell^2, where m_\ell is the charged-lepton mass corresponding to the neutrino flavor…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. V. Kuznetsov , N. V. Mikheev , G. G. Raffelt , L. A. Vassilevskaya

The neutrino dispersion in the charge symmetric magnetized plasma is investigated. We have studied the plasma contribution into the additional energy of neutrino and obtained the simple expression for it. We consider in detail the neutrino…

High Energy Physics - Phenomenology · Physics 2008-12-03 N. V. Mikheev , E. N. Narynskaya

The neutrino dispersion in the magnetized medium was analyzed as a function of the neutrino spin and mass. It was shown that in a super-strong magnetic field plasma contribution to the neutrino energy greatly exceeds the analogous…

High Energy Physics - Phenomenology · Physics 2016-01-19 P. A. Eminov

Qualitative analysis of additional energy of neutrino and antineutrino in plasma is performed. A general expression for the neutrino self-energy operator is obtained in the case of ultra-high energies when the local limit of the weak…

High Energy Physics - Phenomenology · Physics 2012-06-01 A. V. Kuznetsov , N. V. Mikheev , A. M. Shitova

In this talk we present the calculation of the neutrino self-energy in presence of a magnetized medium. The magnetized medium consists of electrons, positrons, neutrinos and a uniform classical magnetic field. The background magnetic field…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alberto Bravo Garcia , Kaushik Bhattacharya , Sarira Sahu

In this work we calculate the neutrino self-energy in presence of a magnetized medium. The magnetized medium consists of electrons, positrons, neutrinos and a uniform classical magnetic field. The calculation is done assuming the background…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alberto Bravo Garcia , Kaushik Bhattacharya , Sarira Sahu

We derive general expressions for the neutrino dispersion relation in a magnetized plasma with a wide range of temperatures, chemical potentials, and magnetic field strengths. If the electron and proton chemical potentials vanish, as in the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Per Elmfors , Dario Grasso , Georg Raffelt

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

We study the properties of neutrinos propagating in an isotropic magnetized medium in the two physical approximations of degenerate Fermi gas and classical plasma. The dispersion relation shows that, for peculiar configurations of the…

High Energy Physics - Phenomenology · Physics 2009-09-25 S. Esposito , G. Capone

We compute the dispersion curves for neutrinos propagating in an extremely dense electroweak plasma, in the presence of very strong magnetic fields of order $B \le M_W^2/e$. The neutrino self-energy is calculated in the one-loop…

High Energy Physics - Phenomenology · Physics 2016-08-15 A. Pérez Martínez , A. Amézaga Hechavarría , D. Oliva Agüero , H. Pérez Rojas , S. Rodríguez Romo

The neutrino-electron scattering in a dense degenerate magnetized plasma under the conditions $\mu^2 > 2eB \gg \mu E$ is investigated. The volume density of the neutrino energy and momentum losses due to this process are calculated. The…

High Energy Physics - Phenomenology · Physics 2015-06-25 N. V. Mikheev , E. N. Narynskaya

Using the exact propagators in a constant magnetic field, the neutrino self-energy has been calculated to all orders in the field strength B within the minimal extension of the Weinberg-Salam model with massive Dirac neutrinos. A simple and…

High Energy Physics - Phenomenology · Physics 2009-12-30 Andrea Erdas

Neutrino-photon processes, forbidden in vacuum, can take place in the presence of a thermal medium and/or an external electro-magnetic field, mediated by the corresponding charged leptons (real or virtual). Such interactions affect the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sushan Konar , Subinoy Das

The contribution of a magnetized plasma to the neutrino magnetic moment is calculated. It is shown that only part of the additional neutrino energy in magnetized plasma connecting with its spin and magnetic field strength defines the…

High Energy Physics - Phenomenology · Physics 2011-01-27 N. V. Mikheev , E. N. Narynskaya

We calculate the one-loop neutrino self-energy in a magnetized plasma to all orders in the magnetic field. The calculation is done in a general gauge. We obtain the dispersion relation and effective potential for neutrinos in a CP-symmetric…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Erdas , C. Isola

In a medium that contains a neutrino background in addition to the matter particles, the neutrinos contribute to the photon self-energy as a result of the effective electromagnetic vertex that they acquire in the presence of matter. We…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jose F. Nieves

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

The neutrino chirality-flip process under the conditions of the supernova core is investigated in detail with the plasma polarization effects in the photon propagator taken into account in a more complete form than in earlier publications.…

High Energy Physics - Phenomenology · Physics 2007-08-22 A. V. Kuznetsov , N. V. Mikheev

The influence of strongly magnetized electron-positron plasma on the radiative neutrino transition $\nng$ is investigated. The probability and mean losses of the neutrino energy and momentum are calculated taking account of the photon…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. V. Chistyakov , N. V. Mikheev
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