Increased concentration of beryllium-7 in the stratosphere after the nuclear test explosions during September-October 1961
article
IN their work on cosmic-ray-produced beryllium-7 in rain water at tropical latitudes during the period 1955-59, Rama, Zutshi and Lal1-3 did not find evidence of the production of this nuclide by nuclear test explosions. Since beryllium-7 in air and rain water is measured in several laboratories in order to obtain information on atmospheric processes, it is of interest to know whether beryllium-7 was produced artificially during the U.S.S.R. nuclear tests in September and October 1961, and, if so, to estimate the ratio between artificially produced beryllium-7 and one of the commonly measured nuclides in radioactive fall-out from weapons tests. © 1962 Nature Publishing Group.
TNO Identifier
226782
DOI
https://dx.doi.org/10.1038/1931065a0
ISSN
00280836
Source
Nature, 193(4820), pp. 1065-1066.
Pages
1065-1066
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