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The quantum theory of the spin light of neutrino ($SL\nu$) exactly accounting for the effect of the background matter is developed. The $SL\nu$ rate and power, and also the emitted photon's energy are obtained for the different values of…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Grigoriev , A. Studenikin , A. Ternov

The Spin Light of neutrino ($SL\nu$) is an electromagnetic radiation of the neutrino magnetic moment emitted when neutrino moves in external conditions (fields or matter). The effect can be of significance in the extremely dense matter of…

High Energy Physics - Phenomenology · Physics 2026-02-09 Alexander Grigoriev , Alexei Ternov

On the basis of the exact solutions of the modified Dirac equation for a massive neutrino moving in matter we develop the quantum theory of the spin light of neutrino ($SL\nu$). The expression for the emitted photon energy is derived as a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alexander Studenikin , Alexei Ternov

We develop the quantum theory of the spin light of neutrino ($SL\nu$) exactly accounting for the effect of background matter. Contrary to the already performed studies of the $SL\nu$, in this paper we derive explicit and closed expressions…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alexander Grigoriev , Alexander Studenikin , Alexei Ternov

We propose a modified Dirac equation for a massive neutrino moving in the presence of the background matter. The effects of the charged and neutral-current interactions with the matter as well as the matter motion and polarization are…

High Energy Physics - Phenomenology · Physics 2021-01-19 Alexander Studenikin , Alexei Ternov

A new type of electromagnetic radiation by a neutrino with non-zero magnetic (and/or electric) moment moving in background matter and electromagnetic field is considered. This radiation originates from the quantum spin flip transitions and…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Lobanov , A. Studenikin

Starting with the Dirac-Pauli equation for a massive neutrino in an external magnetic field, we propose a new quantum equation for a neutrino in the presence of the background matter. On this basis the quantum theory of a neutrino moving in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Studenikin , Alexei Ternov

The ${\it {spin \ \ light \ \ of \ \ neutrino}}$ ($SL\nu$) is a new possible mechanism of electromagnetic radiation by a massive neutrino (with a nonzero magnetic moment) moving in media. Since the prediction of this mechanism, the question…

High Energy Physics - Phenomenology · Physics 2017-11-29 Alexander Grigoriev , Alexey Lokhov , Alexander Studenikin , Alexei Ternov

We develop the theory of spin light of neutrino in matter ($SL\nu$) and include the effect of plasma influence on the emitted photon. We use the special technique based on exact solutions of particles wave equations in matter to perform all…

High Energy Physics - Phenomenology · Physics 2015-06-05 A. Grigoriev , A. Lokhov , A. Studenikin , A. Ternov

The $ spin $ $ light$ $ of $ $neutrino $ ($SL\nu$) is a phenomenon of electromagnetic radiation by a massive neutrino moving in external media that is originated owing to neutrino magnetic moment. In this short paper we note on the…

High Energy Physics - Phenomenology · Physics 2018-01-29 Alexander Grigoriev , Alexey Lokhov , Alexander Studenikin , Alexei Ternov

The quantum theory of the ``spin light'' (electromagnetic radiation emitted by a massive neutrino propagating in dense matter due to the weak interaction of a neutrino with background fermions) is developed. In contrast to the Cherenkov…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. E. Lobanov

We predict a new mechanism for the spin light of neutrino ($SL\nu$) that can be emitted by a neutrino moving in gravitational fields. This effect is studied on the basis of the quasiclassical equation for the neutrino spin evolution in a…

High Energy Physics - Phenomenology · Physics 2011-09-13 Maxim Dvornikov , Alexander Grigoriev , Alexander Studenikin

The Spin Light of neutrino, the process that becomes possible in matter for a neutrino with nontrivial electromagnetic properties, is considered for the case of nonequal neutrino masses in the initial and final states.

High Energy Physics - Phenomenology · Physics 2010-12-15 A. Grigoriev , A. Lokhov , A. Studenikin , A. Ternov

A short review of the properties of the spin light of neutrino ($SL\nu$) in matter, supplied with some historical notes on the discussed subject, is given. It is shown that consideration of the $SL\nu$ in matter in hep-ph/0605114 is based…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexander Grigoriev , Andrey Lobanov , Alexander Studenikin , Alexei Ternov

In this paper, we study the effect of conversion of super-light sterile neutrino (SLSN) to electron neutrino in matter like that of the Earth. In the Sun the resonance conversion between SLSN and electron neutrino via the neutral current is…

High Energy Physics - Phenomenology · Physics 2016-08-01 P. C. Divari , J. D. Vergados

Within the recently proposed Lorentz invariant formalism for description of neutrino spin evolution in presence of an arbitrary electromagnetic fields effects of matter motion and polarization are considered.

High Energy Physics - Phenomenology · Physics 2017-08-23 M. S. Dvornikov , A. M. Egorov , A. E. Lobanov , A. I. Studenikin

A new mechanism of electromagnetic radiation by electrons under the influence of a dense neutrino flux, termed "the spin light of electron" in neutrino flux ($SLe_\nu$), is considered. It is shown that in the case when electrons are moving…

High Energy Physics - Phenomenology · Physics 2015-07-15 Ilya A. Balantsev , Alexander I. Studenikin

We consider propagation of a massive neutrino in matter within the quantum approach based on the two equations for the neutrino field: the first one is the Dirac-Pauli equation for a massive neutrino in an external magnetic field…

High Energy Physics - Phenomenology · Physics 2017-08-23 Alexander Grigoriev , Alexander Studenikin , Alexei Ternov

The quantum theory of spin light (electromagnetic radiation emitted by a Dirac massive neutrino propagating in dense matter due to the weak interaction of a neutrino with background fermions) is developed. In contrast to the Cherenkov…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. E. Lobanov

Using the exact solutions for the Dirac neutrino wave function in presence of matter we study the spin light mode in the process of neutrino transition from initial heavier to final lighter state. The spin light is emitted due to the…

High Energy Physics - Phenomenology · Physics 2010-01-05 Alexander Grigoriev , Alexey Lokhov , Alexander Studenikin
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