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Ion beam production in the plasma focus device

Description: Livermore results are reviewed and compared with recent measurements of high energy ions in the plasma focus device at other laboratories. We will also discuss diagnostic techniques for measuring high energy ions including nuclear activation, particle track detectors, solid state (silicon PIN) detectors, and neutron time-of-flight measurements.
Date: April 13, 1979
Creator: Gullickson, R. L.; Pickles, W. L.; Price, D. F.; Sahlin, H. L. & Wainwright, T. E.
Item Type: Refine your search to only Article
open access

Regionalization of ground motion attenuation in the conterminous United States

Description: Attenuation results from geometric spreading and from absorption. The former is almost independent of crustal geology or physiographic region. The latter depends strongly on crustal geology and the state of the earth's upper mantle. Except for very high-frequency waves, absorption does not affect ground motion at distances less than 25 to 50 km. Thus, in the near-field zone, the attenuation in the eastern United States will be similar to that in the western United States. Most of the difference… more
Date: April 13, 1979
Creator: Chung, D.H. & Bernreuter, D.L.
Item Type: Refine your search to only Article
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