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TMF, 2015, Volume 184, Number 2, Pages 338–351 (Mi tmf8845)  

This article is cited in 2 scientific papers (total in 2 papers)

Processes of electron–positron plasma production by a high-energy neutrino in a strong magnetic field

A. A. Gvozdev, E. V. Osokina

Demidov Yaroslavl State University, Yaroslavl, Russia

Abstract: Under the conditions of a strongly magnetized hyperaccretion disk around a Kerr black hole, we study the processes $\nu_i+\tilde\nu_i\to e^-+e^+$ and $\nu_i(\tilde\nu_i)\stackrel{B}{\longrightarrow} \nu_i(\tilde\nu_i)+e^++e^-$ of electron–positron plasma production near the disk. We calculate the plasma production rate in these processes for some known parameters of neutrino emission from the disk while the magnetic field distribution is determined by qualitative considerations. We show that the magnetic field influence on the cross section of the annihilation process $\nu_i+\tilde\nu_i\to e^-+e^+$ can be neglected if $\omega^2\gg eB\gg m_e^2$. We also show that the rate of energy–momentum production in the $e^+e^-$ plasma in the reaction $\nu_i(\tilde\nu_i)\stackrel{B}{\longrightarrow} \nu_i(\tilde\nu_i)+e^++e^-$ significantly depends on the magnetic field distribution over the disk. To obtain the final estimate of the plasma production rate in this reaction, the strong magnetic field distribution near the neutrino emitting part of the disk must be determined.

Keywords: hyperaccretion disk, neutrino, strong magnetic field

Funding Agency Grant Number
Russian Foundation for Basic Research 14-02-00233_a
Ministry of Education and Science of the Russian Federation 92


DOI: https://doi.org/10.4213/tmf8845

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English version:
Theoretical and Mathematical Physics, 2015, 184:2, 1189–1201

Bibliographic databases:

Document Type: Article
Received: 15.12.2014
Revised: 25.03.2015

Citation: A. A. Gvozdev, E. V. Osokina, “Processes of electron–positron plasma production by a high-energy neutrino in a strong magnetic field”, TMF, 184:2 (2015), 338–351; Theoret. and Math. Phys., 184:2 (2015), 1189–1201

Citation in format AMSBIB
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Dobrynina A.A. Moraru N.O. Ognev I.S., “Neutrino-Electron Processes in a Magnetic Field and Their Crossing Symmetry”, J. Exp. Theor. Phys., 126:6 (2018), 753–765  crossref  isi  scopus
    2. Zhang H., Wang F.-P., Lin M.-M., Zhao X.-Y., Duan W.-Sh., Yang L., “Properties of High-Energy Electron Beams Trap With a Magnetic Mirror Field”, Phys. Plasmas, 26:1 (2019), 012501  crossref  isi  scopus
  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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