High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited)a) (original) (raw)
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Research Article| September 04 2012
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
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1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
Search for other works by this author on:
1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
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2Plasma Science and Fusion Center,
Massachusetts Institute of Technology
, Cambridge, Massachusetts 02139-4307,
USA
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2Plasma Science and Fusion Center,
Massachusetts Institute of Technology
, Cambridge, Massachusetts 02139-4307,
USA
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3
Constellation Energy Nuclear Group
, Ontario, New York 14519,
USA
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1Laboratory for Laser Energetics,
University of Rochester
, Rochester, New York 14623-1299,
USA
2Plasma Science and Fusion Center,
Massachusetts Institute of Technology
, Cambridge, Massachusetts 02139-4307,
USA
3
Constellation Energy Nuclear Group
, Ontario, New York 14519,
USA
Invited paper, published as part of the Proceedings of the 19th Topical Conference on High-Temperature Plasma Diagnostics, Monterey, California, May 2012.
Rev. Sci. Instrum. 83, 10D919 (2012)
Citation
C. J. Forrest, P. B. Radha, V. Yu. Glebov, V. N. Goncharov, J. P. Knauer, A. Pruyne, M. Romanofsky, T. C. Sangster, M. J. Shoup, C. Stoeckl, D. T. Casey, M. Gatu-Johnson, S. Gardner; High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited). _Rev. Sci. Instrum. 1 October 2012; 83 (10): 10D919. https://doi.org/10.1063/1.4742926
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The areal density (ρR) of cryogenic DT implosions on Omega is inferred by measuring the spectrum of neutrons that elastically scatter off the dense deuterium (D) and tritium (T) fuel. Neutron time-of-flight (nTOF) techniques are used to measure the energy spectrum with high resolution. High signal-to-background data has been recorded on cryogenic DT implosions using a well-collimated 13.4-m line of sight and an nTOF detector with an advanced liquid scintillator compound. An innovative method to analyze the elastically scattered neutron spectra was developed using well-known cross sections of the DT nuclear reactions. The estimated areal densities are consistent with alternative ρR measurements and 1-D simulations.
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© 2012 American Institute of Physics.
2012
American Institute of Physics
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