NDLI: Electromagnetic Cascades as Probes of Cosmic Magnetism

Content Provider	Semantic Scholar
Author	Batista, Rafael Alves
Copyright Year	2018
Abstract	— The existence of intergalactic magnetic fields (IGMFs) is an open problem in cosmology and has never been unambiguously confirmed. High-energy gamma rays emitted by blazars are unique probes of cosmic magnetism, as their interactions with pervasive radiation fields generate a short-lived charged component sensitive to intervening magnetic fields. Spatial and temporal properties of the secondary gamma rays generated in the electromagnetic cascade can provide information about the strength, power spectrum, and topology of IGMFs. To probe these fields, detailed simulations of gamma-ray propagation in the intergalactic medium are necessary. In this work the effects of magnetic fields on the spectrum and arrival directions of gamma rays are studied using three-dimensional simulations, emphasising the particular case of helical IGMFs.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://it.arxiv.org/pdf/1704.05137.pdf
Language	English
Access Restriction	Open
Subject Keyword	Anatomy, Regional Cascade Device Component Charge (electrical) Cosmic Radiation Gamma Rays Gamma correction Interaction Interferon Type II Lindane Magnetism Pervasive informatics Recombinant Interferon-gamma Simulation Software propagation Spectral density
Content Type	Text
Resource Type	Article

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