Journal
PHYSICS OF PLASMAS
Volume 21, Issue 3, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4865227
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Funding
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
- STFC
- EPSRC of the United Kingdom [EP/E048668/1]
- RFBR
- Royal Society [12-02-92617-KOa/No. E120059]
- RF President Grant [MK-4725.2012.8]
- Presidium of the Russian Academy of Sciences Program of Basic Research [2]
- [12-02-91169-GFEN-a]
- EPSRC [EP/E048668/1, EP/I500987/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E048668/1, EP/I500987/1] Funding Source: researchfish
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X-ray emission from hollow ions offers new diagnostic opportunities for dense, strongly coupled plasma. We present extended modeling of the x-ray emission spectrum reported by Colgan et al. [Phys. Rev. Lett. 110, 125001 (2013)] based on two collisional-radiative codes: the hybrid-structure Spectroscopic Collisional-Radiative Atomic Model (SCRAM) and the mixed-unresolved transition arrays (MUTA) ATOMIC model. We show that both accuracy and completeness in the modeled energy level structure are critical for reliable diagnostics, investigate how emission changes with different treatments of ionization potential depression, and discuss two approaches to handling the extensive structure required for hollow-ion models with many multiply excited configurations. (C) 2014 AIP Publishing LLC.
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