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An instrument employing electronic counters and an emulsion chamber for studying heavy cosmic ray interactions (JACEE-3)A JACEE-3 instrument was flown on a balloon in June 1982 for 6.1 sq m sr hr exposure at an average atmospheric depth of 5 gm/sq cm in order to study the cosmic ray spectra, composition, and interactions above 1 TeV. The nucleus-nucleus interactions were studied above 20 GeV/amu from z = 6 to z = 26. The electronic counters contained gas Cerenkov structures with a 1.0-cm thick lead glass and a 1.27-cm thick Teflon radiator. A comparison to the instrument prototype is made. Based on the electronic counter event data, the finding efficiency of the hodoscope is noted to be near 100 percent for z greater than or equal to 22. A comparison is made between the hodoscope-predicted position and track found at P3 in an emulsion chamber.
Document ID
19850040863
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Austin, R. W. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Meegan, C. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Parnell, T. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Selig, W. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Watts, J. W. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Burnett, T. H. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Iwai, J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Lord, J. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Strauscz, S. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilkes, R. J. (Washington, University Seattle, WA, United States)
Jones, W. V. (Louisiana State University Baton Rouge, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1983
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: International Cosmic Ray Conference
Location: Bangalore
Country: India
Start Date: August 22, 1983
End Date: September 3, 1983
Accession Number
85A23014
Distribution Limits
Public
Copyright
Other

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