Results 51 to 60 of about 4,166,127 (209)
FRONTIERS IN COSMIC RAYS [PDF]
20 pages, 8 eps figures. Rapporteur Review of the Parallel Session: High Energy Astrophysics 2; to appear in Proceedings of the Tenth Marcel Grossmann Meeting on General Relativity, edited by M. Novello, S. Perez-Bergliaffa and R. Ruffini, World Scientific, Singapore, 2005. (MGX Rio de Janeiro, Brazil, July, 2003)
Anchordoqui, Luis A. +2 more
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ARE THERE STRANGELETS IN COSMIC RAYS? [PDF]
Assuming that cosmic rays entering the Earth's atmosphere contain a small admixture of nuggets of strange quark matter in form of strangelets one can explain a number of apparently "strange" effects observed in different cosmic rays experiments.
Rybczynski, M., Wlodarczyk, Z., Wilk, G.
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A large light-mass component of cosmic rays at 1017–1017.5 electronvolts from radio observations [PDF]
Cosmic rays are the highest-energy particles found in nature. Measurements of the mass composition of cosmic rays with energies of 1017–1018 electronvolts are essential to understanding whether they have galactic or extragalactic sources.
S. Buitink +103 more
semanticscholar +1 more source
The origin of cosmic rays [PDF]
Lecture at the meeting Trends in Astroparticle Physics, Stockholm September 1994, 8 pages ...
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Evidence for a Time Lag in Solar Modulation of Galactic Cosmic Rays [PDF]
The solar modulation effect of cosmic rays in the heliosphere is an energy-, time-, and particle-dependent phenomenon that arises from a combination of basic particle transport processes such as diffusion, convection, adiabatic cooling, and drift motion.
N. Tomassetti +3 more
semanticscholar +1 more source
We study interactions of cosmological relics, $X$, of mass $m$ and electric charge $qe$ in the galaxy, including thermalization with the interstellar medium, diffusion through inhomogeneous magnetic fields and Fermi acceleration by supernova shock waves.
Dunsky, David +2 more
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New generation Cherenkov telescope array: HADAR and its performance introduction
Astrophysical very high energy (VHE) gamma-rays are believed to result almost exclusively from the interactions of populations of highly relativistic particles with ambient matter or photon fields.
Qingyuan Hou +18 more
doaj +1 more source
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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Cosmic ray air showers are a phenomenon that can be observed on Earth when high-energy particles from outer space collide with the Earth’s atmosphere. These energetic particles in space are called primary cosmic rays and consist mainly of protons (about ...
Marco Arcani +2 more
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IT is important to decide whether or not the main sources of the cosmic ray particles are external to our galaxy. An external source seems, at first sight, to be established by the observed isotropy of the cosmic rays incident on the earth. But it has been claimed by a number of authors that this isotropy is simply a consequence of a magnetic field ...
J W, DUNGEY, F, HOYLE
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