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The temporal and spatial variation in cosmic rays [electronic resource].

Published
Washington, D.C. : U.S. Atomic Energy Commission, 1963.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 8 : digital, PDF file
Additional Creators
Brookhaven National Laboratory, U.S. Atomic Energy Commission, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The ratios /sup 39/Ar//sup 36/Cl in five dated fall meteorites were determined and compared with a production cross section ratio obtained from production measurements with iron targets. The results indicate that the average intensity of cosmic rays during the last million years was the same, within 10% of the average value during the last thousand years. Determination of the /sup 37/Ar//sup 39/Ar activity ratio in recently fallen meteorites and comparison with production cross sections measured with high-energy protons and alpha particles indicated that there is a 10 to 20% gradient in cosmic-ray intensity in space between the earth and a point some hundreds of kilometers further from the sun. Also, intense solar flares seem to produce measurable effects on meteorites. (D.C.W.)
Report Numbers
E 1.99:bnl--7948
E 1.99: conf-320--2
conf-320--2
bnl--7948
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/01/1963.
"bnl--7948"
" conf-320--2"
International Conference on Cosmic Rays, Jaipur (India) 2-14 Dec 1963.
Heymann, D.; Davis, R. Jr.; Schaeffer, O. A.; Stoenner, R. W.
Funding Information
AT-30-2-GEN-16
View MARC record | catkey: 14398077