High-resolution measurements of Cl15+ line shifts in hot, solid-density plasmas

Beiersdorfer, P.; Brown, G. V.; McKelvey, A.; Shepherd, R.; Hoarty, D. J.; Brown, C. D.; Hill, M. P.; Hobbs, L. M. R.; James, S. F.; Morton, J.; Wilson, L.

doi:10.1103/physreva.100.012511

Title: High-resolution measurements of Cl 15 + line shifts in hot, solid-density plasmas

Journal Article · 16 July 2019 · Physical Review A

DOI: https://doi.org/10.1103/physreva.100.012511 · OSTI ID:1881606

^[1]; Brown, G. V. ^[1]; McKelvey, A. ^[1]; Shepherd, R. ^[1]; Hoarty, D. J. ^[2]; Brown, C. D. ^[2]; Hill, M. P. ^[2]; Hobbs, L. M. R. ^[2]; James, S. F. ^[2]; Morton, J. ^[2]; Wilson, L. ^[2]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
AWE plc, Reading (United Kingdom)

The shifts of the 1s3p¹P₁ → 1s^{2 1}S₀ He-β transition of Cl¹⁵⁺ were measured in hot (≥ 600 eV), dense (1–2 g/cm³) plasmas generated by a (66–151)-J short-pulse laser beam at the Orion laser facility. The subpicosecond laser beam irradiated optically thin, KCl microdot targets buried in layers of plastic. The measured red shifts ranged from 4.8 ± 1.1 eV for unshocked to 5.9 ± 1.2 eV for shocked targets. Furthermore, these values are significantly smaller than recent predictions from a self-consistent-field ion-sphere model.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

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

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1881606

Report Number(s):: LLNL-JRNL-755223; 942106

Journal Information:: Physical Review A, Journal Name: Physical Review A Journal Issue: 1 Vol. 100; ISSN 2469-9926

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Title: High-resolution measurements of Cl 15 + line shifts in hot, solid-density plasmas

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