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Albedo in the ATIC experiment: Measurements and simulations |
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| Authors: | N V Sokolskaya J H Adams Jr H S Ahn K E Batkov G L Bashindzhagyan J Z Wang J P Wefel J Wu O Ganel T G Guzik R M Gunasingha V I Zatsepin J Isbert K C Kim M Christl E N Kouznetsov M I Panasyuk A D Panov E S Seo A R Fazely J Chang W K H Schmidt |
| Institution: | (1) Skobeltsyn Institute of Nuclear Physics, Moscow State University,Vorob’evy gory, Moscow, 119992, Russia;(2) Marshall Space Flight Center, NASA, Huntsville, AL, USA;(3) University of Maryland, College Park, MD, USA;(4) Louisiana State University, Baton Rouge, LA, USA;(5) Southern University, Baton Rouge, LA, USA;(6) Max Planck Institut für Aeronomie, Lindau, Germany;(7) Purple Mountain Observatory, Chinese Academy of Sciences, China |
| Abstract: | We analyze the characteristics of the albedo, or the backscatter current, which constitutes a background for charge measurements in calorimetric experiments in high-energy cosmic rays. We compare the experimental data obtained in the flights of the ATIC spectrometer with the simulations performed using the GEANT 3.21 code. We discuss the influence of the backscatter on the charge resolution in the ATIC experiment. |
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