Secondary protons in the atmosphere at different latitudes
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We present a semiempirical method to study the production and propagation of atmospheric secondary protons with energy>100 Mev, moving in the vertical direction. The derived production functions are fitted by the least-square method for the only previously published splash (SP) and return (RE) albedos observed data using the same instrument and measurement sites. The closed agreements between the measurement data and the calculations over a wide range of atmospheric depths lead to a possible extension of the method for other latitudes. The spectra of SP and RE intensitiesversus the geomagnetic cut-off reveal similar behaviour as assumed earlier by the theory for those components in the Earth's magnetic field.
PACS 94.40Cosmic-ray interactions with the Earth
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- S. D. Verma andS. K. Kothari:XX International Cosmic Ray Conference,4, 251 (1987).Google Scholar