Observation of relativistic effects in collective Thomson scattering

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We observe relativistic modifications to the Thomson scattering spectrum in a traditionally classical regime: v{sub osc}/c = eE{sub 0}/cm{omega}{sub 0} << 1 and T{sub e} < 1 keV. The modifications result from scattering off electron-plasma fluctuations with relativistic phase velocities. Normalized phase velocities v/c between 0.03 and 0.12 have been achieved in a N{sub 2} gas-jet plasma by varying the plasma density from 3 x 10{sup 18} cm{sup -3} to 7 x 10{sup 19} cm{sup -3} and electron temperature between 85 eV and 700 eV. For these conditions, the complete temporally resolved Thomson scattering spectrum including the electron and ion ... continued below

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Ross, J S; Glenzer, S H; Palastro, J P; Pollock, B B; Price, D; Divol, L et al. October 8, 2009.

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We observe relativistic modifications to the Thomson scattering spectrum in a traditionally classical regime: v{sub osc}/c = eE{sub 0}/cm{omega}{sub 0} << 1 and T{sub e} < 1 keV. The modifications result from scattering off electron-plasma fluctuations with relativistic phase velocities. Normalized phase velocities v/c between 0.03 and 0.12 have been achieved in a N{sub 2} gas-jet plasma by varying the plasma density from 3 x 10{sup 18} cm{sup -3} to 7 x 10{sup 19} cm{sup -3} and electron temperature between 85 eV and 700 eV. For these conditions, the complete temporally resolved Thomson scattering spectrum including the electron and ion features has been measured. A fully relativistic treatment of the Thomson scattering form factor has been developed and shows excellent agreement with the experimental data.

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PDF-file: 12 pages; size: 0.7 Mbytes

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  • Journal Name: Physical Review Letters, vol. 104, no. 105001, March 10, 2010, pp. 105001/1-4; Journal Volume: 104

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  • Report No.: LLNL-JRNL-418788
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 973865
  • Archival Resource Key: ark:/67531/metadc925590

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  • October 8, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 30, 2016, 2:05 p.m.

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Ross, J S; Glenzer, S H; Palastro, J P; Pollock, B B; Price, D; Divol, L et al. Observation of relativistic effects in collective Thomson scattering, article, October 8, 2009; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc925590/: accessed October 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.