期刊
IEEE TRANSACTIONS ON PLASMA SCIENCE
卷 37, 期 1, 页码 83-87出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2008.2005899
关键词
Energy spectrum of fast deuterons; neutron production; plasma diagnostics; plasma focus (PF)
资金
- MSMT [LA08024, 1P05ME76, LC528]
- GACR [202-08-H057, 202-08-P084 IAEA RC 14817, RITA-CT-26095]
Fast neutrons from deuteron-deuteron fusion reactions were used for a study of fast deuterons in the PF-1000 plasma-focus device. The energy spectrum of neutrons was determined by the time-of-flight method using ten scintillation detectors positioned downstream, upstream, and side-on the experimental facility. Neutron energy-distribution functions enabled the determination of axial and radial components of energy of deuterons producing the fusion neutrons, as well as a rough evaluation of the total energy distribution of all fast deuterons in the pinch. It was found that the total deuteron energy-distribution function decreases with the deuteron energy more slowly than the tail of the Maxwellian distribution for 1-2-keV deuterons.
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