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The Electron Spectrum above 20 GeV Measured by ATICThe Advanced Thin Ionization Calorimeter (ATIC) Balloon Experiment has been flown from McMurdo, Antarctica in 2000-01 (test flight) and 2002-03 (science flight). ATIC is composed of a segmented BGO calorimeter following a carbon target with scintillator tracking layers and a Silicon matrix detector at the entrance. ATIC measures the composition and energy spectra of the nuclei plus electrons. We present the electron spectrum derived from the ATIC flights, from 20 GeV to 3 TeV, and compare it to existing very high energy measurements from emulsion chambers and to the results of galactic propagation calculations. The good energy resolution and high statistics in the ATIC data allow detailed astrophysical interpretation of the results.
Document ID
20040085926
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Chang, J. (Academia Sinica Beijing, China)
Schmidt, W. K. H. (Max-Planck-Inst. fuer Aeronomie Katlenburg-Lindau, Germany)
Adams, J. H. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Ahn, H. S. (Maryland Univ. College Park, MD, United States)
Bashindzhagyan, G. (Moscow State Univ. Russia)
Batkov, K. E. (Moscow State Univ. Russia)
Christl, M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Fazely, A. R. (Southern Univ. Baton Rouge, LA, United States)
Ganel, O. (Maryland Univ. College Park, MD, United States)
Gunasingha, R. M. (Southern Univ. Baton Rouge, LA, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2004
Subject Category
Nuclear Physics
Meeting Information
Meeting: 35th COSPAR Scientific Assembly
Location: Paris
Country: France
Start Date: July 18, 2004
End Date: July 25, 2004
Sponsors: Committee on Space Research
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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