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Acceleration and propagation of cosmic rays in high-metallicity astrophysical environments

Record Type:	Electronic resources : Monograph/item
Title/Author:	Acceleration and propagation of cosmic rays in high-metallicity astrophysical environmentsby Ana Laura Muller.
Author:	Muller, Ana Laura.
Published:	Cham :Springer International Publishing :2022.
Description:	xvi, 131 p. :ill., digital ;24 cm.
Notes:	"Doctoral Thesis accepted by Karlsruher Institut fur Technologie, Karlsruhe, Germany and Universidad Nacional de San Martin, San Martin, Argentina."
Contained By:	Springer Nature eBook
Subject:	Cosmic rays.
Online resource:	https://doi.org/10.1007/978-3-031-10306-3
ISBN:	9783031103063$q(electronic bk.)

Acceleration and propagation of cosmic rays in high-metallicity astrophysical environments
Muller, Ana Laura.

Acceleration and propagation of cosmic rays in high-metallicity astrophysical environments[electronic resource] /by Ana Laura Muller. - Cham :Springer International Publishing :2022. - xvi, 131 p. :ill., digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral Thesis accepted by Karlsruher Institut fur Technologie, Karlsruhe, Germany and Universidad Nacional de San Martin, San Martin, Argentina."

Introduction -- Astrophysical Context -- Physics for High-Energy Astrophysics -- Superwinds of Starbursts: Large-Scale Processes -- Superwinds of Starbursts: Small-Scale Processes.

This thesis addresses the feasibility of the production of ultra-high-energy cosmic rays in starburst galaxies and active galactic nuclei. These astrophysical objects were theoretically proposed as candidate sources a long time ago. Nevertheless, the interest in them has been recently renewed due to the observational data collected by the Pierre Auger Observatory and the Telescope Array. In this work, a comprehensive review of the current status of the research on cosmic rays accelerators is provided, along with a summary of the principal concepts needed to connect these relativistic particles with electromagnetic and neutrino observations in the multi-messenger era. On one hand, the hypothesis of accelerating particles with energies above 10¹�? eV in starburst superwinds is carefully revisited, taking into account the constraints imposed by the most recent electromagnetic observations. On the other hand, an alternative new model for the gamma emission of the nearby active galaxy NGC 1068 is presented. The implications of the results of these studies are discussed in terms of the contemporary observatories and prospects for future experiments are offered.

ISBN: 9783031103063$q(electronic bk.)

Standard No.: 10.1007/978-3-031-10306-3doiSubjects--Topical Terms:

339221
Cosmic rays.

LC Class. No.: QC485

Dewey Class. No.: 539.7223

Acceleration and propagation of cosmic rays in high-metallicity astrophysical environments
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520 $a This thesis addresses the feasibility of the production of ultra-high-energy cosmic rays in starburst galaxies and active galactic nuclei. These astrophysical objects were theoretically proposed as candidate sources a long time ago. Nevertheless, the interest in them has been recently renewed due to the observational data collected by the Pierre Auger Observatory and the Telescope Array. In this work, a comprehensive review of the current status of the research on cosmic rays accelerators is provided, along with a summary of the principal concepts needed to connect these relativistic particles with electromagnetic and neutrino observations in the multi-messenger era. On one hand, the hypothesis of accelerating particles with energies above 10¹�? eV in starburst superwinds is carefully revisited, taking into account the constraints imposed by the most recent electromagnetic observations. On the other hand, an alternative new model for the gamma emission of the nearby active galaxy NGC 1068 is presented. The implications of the results of these studies are discussed in terms of the contemporary observatories and prospects for future experiments are offered.
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