Heating of a dense plasma with an intense relativistic electron beam: initial observations

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A dense (approx. 10/sup 17/ cm/sup -3/) plasma has been heated via the relativistic two-stream instability using a 3 MeV, intense (5 x 10/sup 5/ A/cm/sup 2/) electron beam. Evidence for heating has been obtained with diamagnetic loops, thin-foil witness plates, and a 2-channel, broad-band soft x-ray detector. Measurements of energy loss from the beam using calorimetry techniques have been attempted. The measured strong dependence of heating on beam transverse temperature and the very short interaction length (<4 cm) are consistent with beam-plasma coupling due to the relativistic electron-electron two-stream instability. Soft x-ray measurements made >100 ns after the beam ... continued below

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Pages: 9

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Montgomery, M.D.; Parker, J.V.; Riepe, K.B. & Sheffield, R.L. January 1, 1981.

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A dense (approx. 10/sup 17/ cm/sup -3/) plasma has been heated via the relativistic two-stream instability using a 3 MeV, intense (5 x 10/sup 5/ A/cm/sup 2/) electron beam. Evidence for heating has been obtained with diamagnetic loops, thin-foil witness plates, and a 2-channel, broad-band soft x-ray detector. Measurements of energy loss from the beam using calorimetry techniques have been attempted. The measured strong dependence of heating on beam transverse temperature and the very short interaction length (<4 cm) are consistent with beam-plasma coupling due to the relativistic electron-electron two-stream instability. Soft x-ray measurements made >100 ns after the beam pulse are consistent with a plasma temperature <150 eV and line emission near 80 to 90 eV.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01.

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  • 4. international topical conference on high-power electron and ion-beam research and technology, Palaiseau, France, 29 Jun 1981

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  • Other: DE81025348
  • Report No.: LA-UR-81-1860
  • Report No.: CONF-810620-8
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6180391
  • Archival Resource Key: ark:/67531/metadc1113201

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1981

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • March 22, 2018, 7:23 p.m.

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Montgomery, M.D.; Parker, J.V.; Riepe, K.B. & Sheffield, R.L. Heating of a dense plasma with an intense relativistic electron beam: initial observations, article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1113201/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.