Pair-beam propagation in a magnetised plasma for modelling the polarized radiation emission from gamma-ray bursts in laboratory astrophysics experiments

The propagation of a relativistic electron-positron beam in a magnetized electron-ion plasma is studied, focusing on the polarization of the radiation generated in this case. Special emphasis is laid on investigating the polarization of the generated radiation for a range of beam-plasma parameters,...

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Bibliographic Details
Published in:arXiv.org 2020-06
Main Authors: Sinha, Ujjwal, Kumar, Naveen
Format: Article
Language:English
Subjects:
Astrophysics
Circular polarization
Gamma ray bursts
Gamma rays
Laboratories
Polarized radiation
Positron beams
Propagation
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Summary:The propagation of a relativistic electron-positron beam in a magnetized electron-ion plasma is studied, focusing on the polarization of the radiation generated in this case. Special emphasis is laid on investigating the polarization of the generated radiation for a range of beam-plasma parameters, transverse and longitudinal beam sizes, and the external magnetic fields. Our results not only help in understanding the high degrees of circular polarization observed in gamma-rays bursts but they also help in distinguishing the different modes associated with the filamentation dynamics of the pair-beam in laboratory astrophysics experiments.
ISSN:2331-8422
DOI:10.48550/arxiv.2006.04929