scholarly journals Revisiting the distance to the nearest ultrahigh energy cosmic ray source: Effects of extragalactic magnetic fields

2020 ◽  
Vol 102 (6) ◽  
Author(s):  
Rodrigo Guedes Lang ◽  
Andrew M. Taylor ◽  
Markus Ahlers ◽  
Vitor de Souza
Keyword(s):  
Magnetic Fields ◽  
Cosmic Ray ◽  
Ultrahigh Energy ◽  
Source Effects

scholarly journals Implications of strong intergalactic magnetic fields for ultrahigh-energy cosmic-ray astronomy

2017 ◽  
Vol 96 (2) ◽  
Author(s):  
Rafael Alves Batista ◽  
Min-Su Shin ◽  
Julien Devriendt ◽  
Dmitri Semikoz ◽  
Guenter Sigl
Keyword(s):  
Magnetic Fields ◽  
Cosmic Ray ◽  
Ultrahigh Energy

scholarly journals COSMIC CONNECTIONS: FROM COSMIC RAYS TO GAMMA RAYS, COSMIC BACKGROUNDS AND MAGNETIC FIELDS

2013 ◽  
Vol 28 (02) ◽  
pp. 1340001 ◽  
Author(s):  
ALEXANDER KUSENKO
Keyword(s):  
Cosmic Rays ◽  
Magnetic Fields ◽  
Gamma Rays ◽  
Gamma Ray ◽  
Cosmic Ray ◽  
Ultrahigh Energy ◽  
Extragalactic Background Light ◽  
Holistic Treatment ◽  
Galactic Sources ◽  
Combined Data

Combined data from gamma-ray telescopes and cosmic-ray detectors have produced some new surprising insights regarding intergalactic and galactic magnetic fields, as well as extragalactic background light. We review some recent advances, including a theory explaining the hard spectra of distant blazars and the measurements of intergalactic magnetic fields based on the spectra of distant sources. Furthermore, we discuss the possible contribution of transient galactic sources, such as past gamma-ray bursts and hypernova explosions in the Milky Way, to the observed flux of ultrahigh-energy cosmic-rays nuclei. The need for a holistic treatment of gamma rays, cosmic rays, and magnetic fields serves as a unifying theme for these seemingly unrelated phenomena.

scholarly journals The Origin and Dynamical Effects of the Magnetic Fields and Cosmic Rays in the Disk of the Galaxy

1970 ◽  
Vol 39 ◽  
pp. 168-183
Author(s):  
E. N. Parker
Keyword(s):  
Magnetic Field ◽  
Cosmic Rays ◽  
Magnetic Fields ◽  
Dynamical Behavior ◽  
Cosmic Ray ◽  
Interested Reader ◽  
Written Text ◽  
The Galaxy ◽  
Basic Ideas ◽  
The Magnetic Field

The topic of this presentation is the origin and dynamical behavior of the magnetic field and cosmic-ray gas in the disk of the Galaxy. In the space available I can do no more than mention the ideas that have been developed, with but little explanation and discussion. To make up for this inadequacy I have tried to give a complete list of references in the written text, so that the interested reader can pursue the points in depth (in particular see the review articles Parker, 1968a, 1969a, 1970). My purpose here is twofold, to outline for you the calculations and ideas that have developed thus far, and to indicate the uncertainties that remain. The basic ideas are sound, I think, but, when we come to the details, there are so many theoretical alternatives that need yet to be explored and so much that is not yet made clear by observations.

scholarly journals Testing Lorentz invariance with the ultrahigh energy cosmic ray spectrum

2009 ◽  
Vol 79 (8) ◽  
Author(s):  
Xiao-Jun Bi ◽  
Zhen Cao ◽  
Ye Li ◽  
Qiang Yuan
Keyword(s):  
Lorentz Invariance ◽  
Cosmic Ray ◽  
Ultrahigh Energy

Cosmic-ray fluctuations and interplanetary magnetic fields

1993 ◽  
Vol 199 (1) ◽  
pp. 125-132 ◽  
Author(s):  
K. Kudela ◽  
M. Slivka ◽  
M. Stehl�k ◽  
A. Geranios
Keyword(s):  
Magnetic Fields ◽  
Cosmic Ray ◽  
Interplanetary Magnetic Fields
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