Results 1 to 10 of about 418,709 (225)
EPJ Web of Conferences, 2015 The multi-facet nature of the origin of cosmic rays is such that some of the problems currently met in our path to describing available data are due to oversimplified models of CR acceleration and transport, and others to lack of knowledge of the ...
Blasi Pasquale
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EPJ Web of Conferences, 2013 We discuss the basic features of the propagation of Ultra High Energy Cosmic Rays in astrophysical backgrounds, comparing two alternative computation schemes to compute the expected fluxes.
Aloisio Roberto
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Galactic cosmic rays and nucleosynthesis
AIP Conference Proceedings, 2009 International audienceThe nucleosynthesis of the light elements Li, Be and B by galactic cosmic rays is presented. Observations of cosmic rays and the nuclear reactions responsible for Li, Be and B nucleosynthesis are described, followed by some words on
Kiener, J. +4 more
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Red Dwarfs as Sources of Cosmic Rays [PDF]
EPJ Web of Conferences, 2022 The Pamela, Fermi, AMS-02 spectrometer experimental data cannot be explained using the diffusive models of propagation of cosmic-rays accelerated at the supernova shocks and require the existence of nearby sources of cosmic rays at the distances less ...
Sinitsyna Vera Yu. +2 more
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On the Search for the Galactic PeVatrons by Means of Gamma-Ray Astronomy
Universe, 2022 Cosmic rays are ultra-relativistic particles that slam into the atmosphere from all directions in the sky. Gamma rays emitted when cosmic rays interact with Galactic gas and radiation fields are a powerful tool to investigate their origin. Many candidate
Sabrina Casanova
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Origin of galactic cosmic rays [PDF]
Physical Review D, 1995 Motivated by recent measurements of the major components of the cosmic radiation around 10 TeV/nucleon and above, we discuss the phenomenology of a model in which there are two distinct kinds of cosmic ray accelerators in the galaxy. A comparison of the spectra of hydrogen and helium up to 100 TeV per nucleon suggests that these two elements do not ...
, Biermann, , Gaisser, , Stanev
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Cosmic rays in a galactic breeze [PDF]
Physical Review D, 2017 Motivated by the discovery of the non-thermal Fermi bubble features both below and above the Galactic plane, we investigate a scenario in which these bubbles are formed through Galacto-centric outflow. Cosmic rays (CR) both diffusing and advecting within a Galactic breeze outflow, interacting with the ambient gas present, give rise to gamma-ray ...
Taylor, A., Giacinti, G.
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Diffuse Emission of Galactic High-energy Neutrinos from a Global Fit of Cosmic Rays
The Astrophysical Journal, 2023 In the standard picture of Galactic cosmic rays, a diffuse flux of high-energy gamma rays and neutrinos is produced from inelastic collisions of cosmic-ray nuclei with the interstellar gas.
Georg Schwefer +2 more
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SOLAR ACTIVITY AND EARTH SEISMICITY
Solar-Terrestrial Physics, 2021 Using the results of continuous long-term observations over 50 years (including solar cycles 20–24), we study the relationship between Earth’s seismicity and solar activity.
V.L. Yanchukovsky
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