Cosmic ray propagation and interactions in the Galaxy
نویسندگان
چکیده
منابع مشابه
Time Delays in Cosmic Ray Propagation
Cosmic Rays (CR) travel at speeds essentially indistinguishable from the speed of light. However whilst travelling through magnetic fields, both regular and turbulent, they are delayed behind the light since they are usually charged particles and their paths are not linear. Those delays can be so long that they are an impediment to correctly identifying sources which may be variable in time. Fu...
متن کاملtime delays in cosmic ray propagation
cosmic rays (cr) travel at speeds essentially indistinguishable from the speed of light. however whilst travelling through magnetic fields, both regular and turbulent, they are delayed behind the light since they are usually charged particles and their paths are not linear. those delays can be so long that they are an impediment to correctly identifying sources which may be variable in time. fu...
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This work presents preliminary results for the time-dependent cosmic-ray propagation in the Galaxy by a fully 3-dimensional Monte Carlo simulation. The distribution of cosmic-rays (both protons and helium nuclei) in the Galaxy is studied on various spatial scales for both constant and variable cosmicray sources. The continuous diffuse gamma-ray emission produced by cosmic-rays during the propag...
متن کاملCosmic ray transport in the Galaxy
The problem of cosmic ray propagation is briefly discussed.
متن کاملPropagation of H and He cosmic ray isotopes in the Galaxy: astrophysical and nuclear uncertainties
Observations of light isotopes in cosmic rays provide valuable information on their origin and propagation in the Galaxy. Using the data collected by the AMS-01 experiment in the range ∼0.2–1.5 GeV nucleon−1, we compare the measurements on 1H, 2H, 3He, and 4He with calculations for interstellar propagation and solar modulation. These data are described well by a diffusive-reacceleration model w...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 2014
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2014.10.012