Wire number doubling in plasma-shell regime increases z-accelerator x-ray power Page: 4 of 22
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Printed November 1997
Wire Number Doubling in Plasma-Shell Regime
Increases Z-Accelerator X-Ray Power*
T. W. L. Sanford**, R. B. Spielman, G. A. Chandler, D. L. Fehl,
W. A. Stygar, K. W. Struve, C. Deeney, T. J. Nash, J. F. Seamens,
R. C. Mock, T. L. Gilliland, J. S. McGurn, D. O. Jobe,
S. P. Breeze, and M. F. Vargas
Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185 USA
Doubling the number of tungsten wires from 120 to 240, keeping the mass fixed, increased
the radiated x-ray power relative to the electrical power at the insulator stack of the z
accelerator by (40 20)% for 8.75- and 20-mm-radii z-pinch wire arrays. Radiation-
magneto-hydrodynamic calculations suggest that the arrays were operating in the "plasma
shell" regime, where the plasmas generated by the individual wires merge prior to the
inward implosion of the entire array.
Work supported by U.S. DOE Contract No. DE-AC04-94AL85000
Paper presented at 39th Annual Meeting APS Division of Plasma Physics, Nov. 17-21, 1997. Pittsburgh, PA
and submitted to IEEE Transactions on Plasma Science (special issue on Dense Z-Pinches).
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Sanford, T.W.L.; Spielman, R.B. & Chandler, G.A. Wire number doubling in plasma-shell regime increases z-accelerator x-ray power, report, November 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc691889/m1/4/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.