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Signatures of hot electrons and fluorescence in Mo Kα emission on Z

Recent experiments on the Z accelerator have produced high-energy (17 keV) inner-shell K-alpha emission from molybdenum wire array z-pinches. Extensive absolute power and spectroscopic diagnostics along with collisional-radiative modeling enable detailed investigation into the roles of thermal, hot...

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Bibliographic Details
Published in:Physics of plasmas 2014-03, Vol.21 (3)
Main Authors: Hansen, S. B., Ampleford, D. J., Cuneo, M. E., Ouart, N., Jones, B., Jennings, C. A., Dasgupta, A., Coverdale, C. A., Rochau, G. A., Dunham, G., Giuliani, J. L., Apruzese, J. P.
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Language:English
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Summary:Recent experiments on the Z accelerator have produced high-energy (17 keV) inner-shell K-alpha emission from molybdenum wire array z-pinches. Extensive absolute power and spectroscopic diagnostics along with collisional-radiative modeling enable detailed investigation into the roles of thermal, hot electron, and fluorescence processes in the production of high-energy x-rays. We show that changing the dimensions of the arrays can impact the proportion of thermal and non-thermal K-shell x-rays.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4866161