Results 141 to 150 of about 73,503 (266)

Global Analysis of the Extended Decreases in Cosmic Rays Observed with Worldwide Networks of Neutron Monitors and Muon Detectors: Temporal Variation of the Rigidity Spectrum and Its Implication

open access: yesThe Astrophysical Journal
This paper presents the global analysis of two extended decreases in the galactic cosmic-ray intensity observed by worldwide networks of ground-based detectors in 2012.
K. Munakata   +22 more
doaj   +1 more source

Progress report on the Heavy Ions in Space (HIIS) experiment [PDF]

open access: yes
One of the objectives of the Heavy Ions In Space (HIIS) experiment is to investigate heavy ions which appear at Long Duration Exposure Facility (LDEF) below the geomagnetic cutoff for fully-ionized galactic cosmic rays.
Adams, James H., Jr.   +3 more
core   +1 more source

Small-scale Cosmic-Ray Anisotropy Observed by the GRAPES-3 Experiment at TeV Energies

open access: yesThe Astrophysical Journal
GRAPES-3 is a mid-altitude (2200 m) and near-equatorial (11.°4N) air shower array, overlapping in its field of view for cosmic-ray observations with experiments that are located in the Northern and Southern Hemispheres. We analyze a sample of 3.7 × 10 ^9
M. Chakraborty   +37 more
doaj   +1 more source

Raios cósmicos e a heliosfera

open access: yesRevista Brasileira de Ensino de Física
Este texto sintetiza a modulação pelas partículas do fluxo de raios cósmicos galáticos durante seu transporte na heliosfera, fornecendo algumas referências necessárias para a compreensão do assunto aos interessados no tema.
A.G. Izzo de Oliveira   +2 more
doaj   +1 more source

Cosmic ray albedo gamma rays from the quiet sun [PDF]

open access: yes
We estimate the flux of gamma-rays that result from collisions of high energy galactic cosmic rays with the solar atmosphere. An important aspect of our model is the propagation of cosmic rays through the magnetic fields of the inner solar systems.
Gaisser, T. K., Seckel, D., Stanev, T.
core   +1 more source

Extra-Galactic Cosmic Rays [PDF]

open access: yesProgress of Theoretical Physics, 1964
Yoichi Fujimoto   +2 more
openaire   +1 more source

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