Picosecond time-resolved measurements of dense plasma line shifts

Stillman, C. R.; Nilson, P. M.; Ivancic, S. T.; Golovkin, I. E.; Mileham, C.; Begishev, I. A.; Froula, D. H.

doi:10.1103/PhysRevE.95.063204

Picosecond time-resolved measurements of dense plasma line shifts

Journal Article · Tue Jun 13 00:00:00 EDT 2017 · Physical Review E

DOI:https://doi.org/10.1103/PhysRevE.95.063204· OSTI ID:1372100

Stillman, C. R. ^[1]; Nilson, P. M. ^[2]; Ivancic, S. T. ^[2]; Golovkin, I. E. ^[3]; Mileham, C. ^[2]; Begishev, I. A. ^[2]; Froula, D. H. ^[4]

Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics; Laboratory for Laser Energetics, University of Rochester
Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics
Prism Computational Sciences, Madison, WI (United States)
Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics and Dept. of Physics and Astronomy

Picosecond time-resolved x-ray spectroscopy is used to measure the spectral line shift of the 1s2p–1s² transition in He-like Al ions as a function of the instantaneous plasma conditions. The plasma temperature and density are inferred from the Al He_α complex using a nonlocal-thermodynamic-equilibrium atomic physics model. The experimental spectra show a linearly increasing red shift for electron densities of 1 to 5 × 10²³ cm^–3. Furthermore, the measured line shifts are broadly consistent with a generalized analytic line-shift model based on calculations of a self-consistent field ion sphere model.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0001944

OSTI ID:: 1372100

Alternate ID(s):: OSTI ID: 1363842

Report Number(s):: 2017-1, 1345; 2017-1, 2300, 1345

Journal Information:: Physical Review E, Journal Name: Physical Review E Journal Issue: 6 Vol. 95; ISSN PLEEE8; ISSN 2470-0045

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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High-resolution measurements of Cl 15 + line shifts in hot, solid-density plasmas Beiersdorfer, P.; Brown, G. V.; McKelvey, A. Physical Review A, Vol. 100, Issue 1 https://doi.org/10.1103/physreva.100.012511	journal	July 2019

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