Astrophys. Space Sci. Trans., 7, 29-33, 2011
www.astrophys-space-sci-trans.net/7/29/2011/
doi:10.5194/astra-7-29-2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
28 Jan 2011
Ionization in the atmosphere, comparison between measurements and simulations
T. Sloan1, G. A. Bazilevskaya2, V. S. Makhmutov2, Y. I. Stozhkov2, A. K. Svirzhevskaya2, and N. S. Svirzhevsky2
1University of Lancaster, UK
2Lebedev Physical Institute, Moscow, Russia

Abstract. A survey of the data on measured particle fluxes and the rate of ionization in the atmosphere is presented. Measurements as a function of altitude, time and cut-off rigidity are compared with simulations of particle production from cosmic rays. The simulations generally give a reasonable representation of the data. However, some discrepancies are found. The solar modulation of the particle fluxes is measured and found to be a factor 2.7 ± 0.8 greater than that observed for muons alone near sea level.

Citation: Sloan, T., Bazilevskaya, G. A., Makhmutov, V. S., Stozhkov, Y. I., Svirzhevskaya, A. K., and Svirzhevsky, N. S.: Ionization in the atmosphere, comparison between measurements and simulations, Astrophys. Space Sci. Trans., 7, 29-33, doi:10.5194/astra-7-29-2011, 2011.
 
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