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Published May 24, 2013 | Published
Book Section - Chapter Open

Ion production rates and cross-sections from the atmospheric observations and comparison with the CLOUD experiment results

Abstract

We present and discuss experimental results obtained from the measurements of cosmic ray fluxes and ion concentrations at different altitudes (from ground level up to 30-35 km) and latitudes (from equator to polar regions) in the Earth's atmosphere. We calculated ionproduction cross-sections and ion production rates from these data sets. The same characteristics are possible to be derived from the CLOUD experimental data using ion concentrations, particle beam intensities, etc. We discuss the methods of estimation of these characteristics in the CLOUD experiment.

Additional Information

© 2013 AIP Publishing LLC. Published online 24 May 2013. We would like to thank CERN for supporting CLOUD with important technical and financial resources, and for providing a particle beam from the CERN Proton Synchrotron. This research has received funding from the EC Seventh Framework Programme (Marie Curie Initial Training Network "CLOUD-ITN" no. 215072, MCITN "CLOUD-TRAIN" no. 316662, and ERC-Advanced "ATMNUCLE'' grant no. 227463), the German Federal Ministry of Education and Research (project nos. 01LK0902A and 01LK1222A), the Swiss National Science Foundation (project nos. 200020_135307 and 206620_130527), the Academy of Finland (Center of Excellence project no. 1118615), the Academy of Finland (135054, 133872, 251427, 139656, 139995, 137749, 141217, 141451), the Finnish Funding Agency for Technology and Innovation, the Nessling Foundation, the Austrian Science Fund (FWF; project no. P19546 and L593), the Portuguese Foundation for Science and Technology (project no. CERN/FP/116387/2010), the Swedish Research Council, Vetenskapsrådet (grant 2011-5120), the Presidium of the Russian Academy of Sciences and Russian Foundation for Basic Research (grant 12-02-91522-CERN), and the U.S. National Science Foundation (grants AGS1136479 and CHE1012293).

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