Secondary proton flux induced by cosmic ray interactions with the atmosphere

Details Secondary proton flux induced by cosmic ray interactions with the atmosphere Secondary proton flux induced by cosmic ray interactions with the atmosphere

2003-05-20

arxiv.org/abs/astro-ph/0305369v1

Phys.Rev. D68 (2003) 053009

Astronomy and Astrophysics

Astrophysics

7 pages, 5 figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.68.053009

The atmospheric secondary proton flux is studied for altitudes extending from sea level up to the top of atmosphere by means of a 3-dimensional Monte-Carlo simulation procedure successfully used previously to account for flux measurements of protons, light nuclei, and electrons-positrons below the geomagnetic cutoff (satellite data), and of muons and antiprotons (balloon data). The calculated flux are compared with the experimental measurements from sea level uo to high float ballon altitudes. The agreement between data and simulation results are very good at all altitudes, including the lowest ones, where the calculations become extremely sensitive to the proton production cross section. The results are discussed in this context. The calculations are extended to the study of quasi trapped particles above the atmosphere to about 5 Earth radii, for prospective purpose.

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