Low-background counting systems compared

Clicks: 257
ID: 116721
1970
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Abstract
A comparison of special low-background germanium counting systems used at the Pacific Northwest Laboratory will be presented. These vary from specially modified instruments in the laboratory to low-cosmic-exposure detectors operated deep underground. The underground detectors have copper cryostats completely electroformed from low-background copper. Electroforming is a process analogous to zone refining in its ability to remove chemical impurities. Shielding techniques and their merit are compared as to difficulty and benefit. Active cosmic veto is directly compared to passive overburden shielding. Special attention is paid to cosmic activation of the cryostat and the germanium crystal itself.
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Authors H. S. Miley;R. L. Brodzinski;J. H. Reeves;H. S. Miley;R. L. Brodzinski;J. H. Reeves;
Journal journal of radioanalytical and nuclear chemistry
Year 1970
DOI
doi:10.1007/BF02037112
URL
https://doi.org/10.1007/bf02037112
Keywords
inorganic chemistry physical chemistry diagnostic radiology nuclear physics heavy ions hadrons nuclear chemistry germanium copper underground electroformed low background counting systems chemical impurities cryostats cosmic activation

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