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Neutrinos have no electric charge, but a magnetic field can indirectly affect neutrino properties and interactions through its effect on charged particles. After a brief field-theoretic discussion of charged particles in magnetic fields, we…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaushik Bhattacharya , Palash B. Pal

Motivated by the evidence for a finite neutrino mass we examine anew the interaction of neutrinos in a magnetic field. We present the rate for radiative scattering for both massless and massive neutrinos in the standard model and give the…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. S. McFarland , A. C. Melissinos , N. V. Mikheev , W. W. Repko

When neutrinos propagate in a background, their gravitational couplings are modified by their weak interactions with the particles in the background. In a medium that contains electrons but no muons or taons, the matter-induced…

High Energy Physics - Phenomenology · Physics 2010-12-03 H. Athar , Jose F. Nieves

In this talk we review the results on neutrino propagation under external magnetic fields. We concentrate on the effects of strong magnetic fields $M_{W}^{2}\gg B\gg m_{e}^{2}$ in neutral media. It is shown that the neutrino energy density…

High Energy Physics - Phenomenology · Physics 2009-11-10 Efrain J. Ferrer , Vivian de la Incera

We review the theory and phenomenology of neutrino electromagnetic interactions, which give us powerful tools to probe the physics beyond the Standard Model. After a derivation of the general structure of the electromagnetic interactions of…

High Energy Physics - Phenomenology · Physics 2015-07-03 Carlo Giunti , Alexander Studenikin

We study the neutrino-photon processes such as $\gamma\gamma\to \nu\bar{\nu}$ and $\nu\gamma\to \nu\gamma$ in a background magnetic field smaller than the critical magnetic field $B_c\equiv m_e^2/e$. Using Schwinger's proper-time method, we…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tzuu-Kang Chyi , Chien-Wen Hwang , W. F. Kao , Guey-Lin Lin , Kin-Wang Ng , Jie-Jun Tseng

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

In this paper I should like to present {\bf {{the four new effects}}} in neutrino oscillations that have been recently investigated in my research group at the Department of Theoretical Physics of the Moscow State University. Due to the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Studenikin

Elementary particle scatterings and decays in presence of a background magnetic field are very common in physics, specially after the observation that the core of the neutron stars can sustain a magnetic field of the order of $10^{13} {\rm…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kaushik Bhattacharya

A brief overview of the electromagnetic properties of neutrinos is presented with a discussion of the most important fundamental aspects of the problem. Then using data from the ground-based reactor and solar neutrino-electron scattering…

High Energy Physics - Phenomenology · Physics 2021-11-02 Alexander Studenikin

The treatment of nuclear effects in neutrino-nucleus interactions is one of the main sources of systematic uncertainty for the analysis and interpretation of data of neutrino oscillation experiments. Neutrinos interact with nuclei via…

High Energy Physics - Phenomenology · Physics 2020-01-29 Carlotta Giusti , Martin V. Ivanov

Magnetic fields are everywhere in the Universe and in our everyday life and many processes are affected by their presence, generating a rich phenomenology that depends also on other possible external agents. We review here some results,…

High Energy Physics - Phenomenology · Physics 2023-06-16 Gabriella Piccinelli , Angel Sanchez , Jorge Jaber-Urquiza

An overview of neutrino electromagnetic properties, which open a door to the new physics beyond the Standard Model, is given. The effects of neutrino electromagnetic interactions both in terrestrial experiments and in astrophysical…

High Energy Physics - Phenomenology · Physics 2016-04-20 Carlo Giunti , Konstantin A. Kouzakov , Yu-Feng Li , Alexey V. Lokhov , Alexander I. Studenikin , Shun Zhou

In studies of neutrino electromagnetic properties we discuss three very interesting aspects related to neutrino spin oscillations. First we consider neutrino mixing and oscillations in the mass and flavour bases under the influence of a…

High Energy Physics - Phenomenology · Physics 2017-05-18 Alexande Studenikin

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

We present a new theoretical approach to neutrino-impact atomic excitation and/or ionization due to neutrino magnetic moments. The differential cross section of the process is given by a sum of the longitudinal and transverse terms, which…

High Energy Physics - Phenomenology · Physics 2011-08-16 Konstantin A. Kouzakov , Alexander I. Studenikin

After a brief reminder on the electromagnetic properties of neutrinos, the main processes of the electromagnetic interactions of neutrinos in astrophysics and the corresponding limitations on millicharges and effective magnetic moments of…

High Energy Physics - Phenomenology · Physics 2022-03-02 Alexander Studenikin

We study the neutrino interaction rates through charged as well as neutral current weak interactions in hot, dense magnetized matter. At densities near the neutrino sphere, matter in the presence of intense magnetic field is polarized and…

High Energy Physics - Phenomenology · Physics 2010-01-06 Ashok Goyal

We present a rather powerful method in investigations of different phenomena that can appear when neutrinos and electrons propagate in background matter. This method is based on the use of the modified Dirac equations for particles wave…

High Energy Physics - Phenomenology · Physics 2015-06-25 Alexander Studenikin

A brief overview of neutrino electromagnetic properties is presented from a theoretical perspective. Their potential effects on coherent elastic neutrino-nucleus scattering are outlined.

High Energy Physics - Phenomenology · Physics 2015-03-05 Konstantin A. Kouzakov , Alexander I. Studenikin
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