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Wire Initiation Critical for Radiation Symmetry in Z-Pinch-Driven Dynamic Hohlraums

Journal Article · · Physical Review Letters
; ; ; ; ; ; ; ; ;  [1]; ;  [2];  [3]; ;  [4];  [5]
  1. Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)
  2. Ktech Corporation, Albuquerque, New Mexico 87123 (United States)
  3. Institute of Theoretical and Experimental Physics, Moscow 117218 (Russian Federation)
  4. Imperial College, London SW7 2BW (United Kingdom)
  5. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

Axial symmetry in x-ray radiation of wire-array z pinches is important for the creation of dynamic hohlraums used to compress inertial-confinement-fusion capsules. We present the first evidence that this symmetry is directly correlated with the magnitude of the negative radial electric field along the wire surface. This field (in turn) is inferred to control the initial energy deposition into the wire cores, as well as any current shorting to the return conductor.

OSTI ID:
20955451
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 6 Vol. 98; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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