Beam-target interaction experiments for multipulse bremsstrahlung converters applications

S. Sampayan, R. Buckles, George J Caporaso, F. C. Chambers, Y. J. Chen, S. Falabella, F. Goldin, G. Guethlein, D. Ho, M. Heino, T. Houck, E. Lauer, J. McCarrick, R. Neurath, P. Pincosy, R. Richardson, D. Sanders, J. Weir

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations


As part of the Dual Axis Radiography Hydrotest Facility, Phase II (DARHT II) Multipulse Bremsstrahlung Target effort, we have been performing an investigation of (1) the possible adverse effects of backstreaming ion emission from the Bremsstrahlung converter target and (2) the hydrodynamic behavior of the target after the electron beam interaction. Theory predictions show that the first effect would primarily be manifested in the static focusing system as a rapidly varying x-ray spot. From experiments performed on ETA-II, we have shown that the first effect is not strongly present when the beam initially interacts with the target. Electron beam pulses delivered to the target after formation of a plasma are strongly affected, however. Secondly, we have performed measurements of the time varying target density after disassembly was initiated by the electron beam. The measurements presented show that the target density as a function of time compares favorably with our LASNEX models.

Original languageEnglish (US)
Title of host publicationProceedings of the IEEE Particle Accelerator Conference
EditorsP Lucas, S Webber
Number of pages3
StatePublished - 2001
Externally publishedYes
Event2001 Particle Accelerator Conference - Chicago, IL, United States
Duration: Jun 18 2001Jun 22 2001


Other2001 Particle Accelerator Conference
Country/TerritoryUnited States
CityChicago, IL

ASJC Scopus subject areas

  • Engineering(all)


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