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High Accuracy Non-LTE Modeling of X-Ray Radiation in Dense Matter

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New Trends in Atomic and Molecular Physics

Part of the book series: Springer Series on Atomic, Optical, and Plasma Physics ((SSAOPP,volume 76))

Abstract

X-rays are emitted from a variety of astrophysical objects in the universe. With the advancement of experimental technologies, intense and very bright X-ray sources are also being produced in the laboratory. Similar progress in theoretical investigations has made it possible to accurately model the radiation and spectroscopy of X-rays from both laboratory and astrophysical sources. Present-day Z-pinch experiments generate 200 TW peak power, 5–10 ns duration X-ray bursts that provide new opportunities to advance radiation science. The experiments spotlight the underlying atomic and plasma physics and offer inertial confinement fusion and astrophysics applications. Spectroscopy is a key diagnostic tool and its reliability depends on the accuracy and reliability of the atomic and plasma physics models used to interpret the data. We report the current status of our theoretical investigations of X-ray spectroscopy using state-of-the-art atomic and plasma modeling to analyze the data obtained from Z machine at the US Sandia National Laboratories. Analysis used for Z-pinches can also be used to study ICF and astrophysical plasmas where laboratory measurements and simulations are the only means to interpret observed data.

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Acknowledgements

This work was supported by the US Department of Energy/NNSA. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000.

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Authors and Affiliations

  1. Plasma Physics Division, Naval Research Laboratory, Washington, DC, USA

    Arati Dasgupta, John L. Giuliani, Ward J. Thornhill & John P. Apruzese

  2. Berkeley Scholars Inc., Springfield, VA, USA

    Robert W. Clark

  3. Sandia National Laboratories, Albuquerque, NM, USA

    Brent Jones & Dave J. Ampleford

Authors
  1. Arati Dasgupta
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  2. Robert W. Clark
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  3. John L. Giuliani
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  4. Ward J. Thornhill
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  5. John P. Apruzese
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  6. Brent Jones
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  7. Dave J. Ampleford
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Corresponding author

Correspondence to Arati Dasgupta .

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Editors and Affiliations

  1. Department of Physics, and Astrophysics, University of Delhi, Delhi, 110007, India

    Man Mohan

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Dasgupta, A. et al. (2013). High Accuracy Non-LTE Modeling of X-Ray Radiation in Dense Matter. In: Mohan, M. (eds) New Trends in Atomic and Molecular Physics. Springer Series on Atomic, Optical, and Plasma Physics, vol 76. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38167-6_5

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