Calculation of the spectrum of atmospheric gamma-photons between 1 and 1000 MeV

Details Calculation of the spectrum of atmospheric gamma-photons between 1 and 1000 MeV Calculation of the spectrum of atmospheric gamma-photons between 1 and 1000 MeV

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975rbrfi...5...43m&link_type=abstract

Revista Brasileira de Fisica, vol. 5, Apr. 1975, p. 43-60. In French.

Physics

Atmospheric Radiation, Background Radiation, Energy Spectra, Gamma Rays, Bremsstrahlung, Cosmic Rays, Decay Rates, Magnetic Rigidity, Mesons, Neutral Particles, Particle Production, Photon Density, Spectrum Analysis

Scientific paper

The energy spectrum of atmospheric gamma-rays at 4 g per sq cm has been calculated for cut-off rigidities of 4.5, 10 and 16 GV. The processes considered for the production of these gamma-rays were the neutral meson decay plus the bremsstrahlung from primary, secondary and re-entrant albedo-electrons. The calculations indicated that the spectrum could be fitted to a power law in energy, with the exponential index varying from 1.1 in the energy range 1-10 MeV, to 1.4 in the energy range 10-200 MeV and 1.8 in the energy range 200-1000 MeV.

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