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The effect of a strongly magnetized cold plasma on the Compton-like photoproduction of a neutrino-antineutrino pair on an electron, $\gamma e \to e \nu \bar \nu$, has been considered. The contribution of this process to the neutrino…

High Energy Physics - Phenomenology · Physics 2014-10-22 M. V. Chistyakov , A. V. Kuznetsov , N. V. Mikheev , D. A. Rumyantsev , D. M. Shlenev

An influence of the magnetized electron - positron plasma on the absorption and loss of the energy and momentum in a process of neutrino propagation is investigated. A total contribution of all crossed processes, $\nu \to \nu e^- e^+$, $\nu…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Kuznetsov , N. V. Mikheev

The total set of the neutrino - electron processes in a presence of both components of an active medium, hot dense plasma and strong magnetic field, is investigated for the first time. The contribution of the processes $\nu e^- \to \nu…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Kuznetsov , N. V. Mikheev

The two-photon two-neutrino interaction induced by magnetic field is investigated. In particular the processes $\gamma \gamma \to \nu \bar \nu$ and $\gamma \to \gamma \nu \bar \nu$ are studied in the presence of strong magnetic field. An…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. V. Chistyakov , N. V. Mikheev

The two-photon two-neutrino interaction induced by magnetic field is investigated. In particular the processes $\gamma \gamma \to \nu \bar \nu$ and $\gamma \to \gamma \nu \bar \nu$ are studied in the presence of strong magnetic field. An…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. V. Chistyakov , N. V. Mikheev

The decay of magneto-plasma into neutrino anti-neutrino pair has been studied in the framework of the electro-weak interaction theory. The decay rate is calculated and the expression for the energy-loss rate is obtained in the extreme…

High Energy Physics - Phenomenology · Physics 2011-04-11 Indranath Bhattacharyya

The process of the photon decay into the neutrino - antineutrino pair in a magnetic field is investigated. The amplitude and the probability are analysed in the limits of relatively small and strong fields. The probability is suppressed by…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. V. Kuznetsov , N. V. Mikheev , L. A. Vassilevskaya

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

Explicit expressions for the differential and total rates and emissivities of neutrino pairs from the photo-neutrino process $e^\pm + \gamma \to e^\pm + \nu + \bar\nu$ in hot and dense matter are derived. Full information about the emitted…

Astrophysics · Physics 2009-11-10 Sharada Iyer Dutta , Sasa Ratkovic , Madappa Prakash

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

The processes of neutrino production of electron-positron pairs, $\nu \bar\nu \to e^- e^+$ and $\nu \to \nu e^- e^+$, in a magnetic field of arbitrary strength, where electrons and positrons can be created in the states corresponding to…

High Energy Physics - Phenomenology · Physics 2016-02-17 A. V. Kuznetsov , D. A. Rumyantsev , V. N. Savin

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

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

We consider massive photon decay reactions via intermediate states of electron-electron-holes and proton-proton-holes into neutrino-antineutrino pairs in the course of neutron star cooling. These reactions may become operative in hot…

Astrophysics · Physics 2008-11-26 D. N. Voskresensky , E. E. Kolomeitsev , B. Kaempfer

The neutrino-electron processes in a dense strongly degenerate magnetized plasma are analyzed in the framework of the Standard Model. The total probability and the mean values of the neutrino energy and momentum losses are calculated. It is…

High Energy Physics - Phenomenology · Physics 2009-10-31 N. V. Mikheev , E. N. Narynskaya

We study the neutrino anti-neutrino pair synchrotron emission from electrons and protons in a relativistic quantum approach. This process occurs only under a strong magnetic field, and it is considered to be one of effective processes for…

High Energy Physics - Phenomenology · Physics 2020-04-15 Tomoyuki Maruyama A. Baha Balantekin , Myung-Ki Cheoun , Toshitaka Kajino , Grant J. Mathews

A process of the electron--positron pair production by neutrino propagating in a strong magnetic field is investigated in the framework of the Standard Model. The process probability and the mean values of the neutrino energy and momentum…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. V. Kuznetsov , N. V. Mikheev

The process of Compton scattering $\gamma e^{\pm} \to \gamma e^{\pm}$ in a strongly magnetized medium of arbitrary temperature and zeroth chemical potential was considered. The analytical expressions for the partial cross section in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. V. Chistyakov , D. A. Rumyantsev

We examine the effect of excited neutrinos on the annihilation of relic neutrinos with ultra high energy cosmic neutrinos for the $\nu \bar{\nu}\to \gamma\gamma$ process. The contribution of the excited neutrinos to the neutrino-photon…

High Energy Physics - Phenomenology · Physics 2012-11-28 S. C. Inan , M. Koksal

Based on the magnetar model, we have studied in detail the processes of neutrino cooling of an electron--positron plasma generating an SGR giant flare and the influence of the magnetar magnetic field on these processes. Electron--positron…

High Energy Astrophysical Phenomena · Physics 2015-05-28 A. A. Gvozdev , I. S. Ognev , E. V. Osokina
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