Results 11 to 20 of about 401,654 (242)
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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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.
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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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Research on Cosmic Rays and Their Impact on Human Activities [PDF]
, 2022 The galactic cosmic–ray spectrum extends over 14 orders of magnitudes in energy and about 12 orders of magnitude in intensity, and it can be studied using two different methods: via the “direct detection” of the primary cosmic rays in space or at high ...
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Measurement of Ultra-High Energy Cosmic Rays with CHICOS [PDF]
, 2009 The California HIgh school Cosmic ray ObServatory (CHICOS) is a ground-based scintillator array designed to measure the extended air showers of ultra-high energy cosmic rays. The goal of the project is to gain insight into the origin of ultra-high energy
Brobeck, Elina
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The origin of galactic cosmic rays [PDF]
The Astronomy and Astrophysics Review, 2013 88 Pages, Review paper to appear in A&A Reviews - A typo ...
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The Revival of Galactic Cosmic‐Ray Nucleosynthesis? [PDF]
The Astrophysical Journal, 1999 Because of the roughly linear correlation between Be/H and Fe/H in low metallicity halo stars, it has been argued that a ``primary'' component in the nucleosynthesis of Be must be present in addition to the ``secondary'' component from standard Galactic cosmic ray nucleosynthesis.
Fields, Brian D., Olive, Keith A.
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Cosmic Ray Processes in Galactic Ecosystems
Galaxies, 2023 Galaxy evolution is an important topic, and our physical understanding must be complete to establish a correct picture. This includes a thorough treatment of feedback. The effects of thermal–mechanical and radiative feedback have been widely considered; however, cosmic rays (CRs) are also powerful energy carriers in galactic ecosystems.
Ellis R. Owen +4 more
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Galactic cosmic ray modulation near the heliospheric current sheet [PDF]
, 2014 Galactic cosmic rays (GCRs) are modulated by the heliospheric magnetic field (HMF) both over decadal time scales (due to long-term, global HMF variations), and over time scales of a few hours (associated with solar wind structures such as coronal mass ...
Owens, M. J. +7 more
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