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Title: Enigmatic photon absorption in plasmas near solar interior conditions

Journal Article · · High Energy Density Physics
 [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Large systematic discrepancies between theoretical and experimental photon absorption of Fe plasmas applicable to the solar interior were reported [Bailey et al., Nature 517, 56 (2015)]. The disagreement is examined in the context of the Thomas–Reiche–Kuhn f-sum rule. Herein, te analysis identifies several anomalies in the experimental results.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1772315
Alternate ID(s):
OSTI ID: 1251701
Report Number(s):
LLNL-JRNL-658740; 779740; TRN: US2206953
Journal Information:
High Energy Density Physics, Vol. 15, Issue na; ISSN 1574-1818
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

References (13)

Effects of Backlight Structure on Absorption Experiments journal May 2006
Helioseismology and solar abundances journal March 2008
Transparency window effect in the Inglis-Teller region of the BV lyman series journal March 1996
Updated opacities from the Opacity Project journal June 2005
A new detailed term accounting opacity code for mid-Z elements: TOPAZ journal September 2003
Photoionization of inner shells of the Mg and Ar isonuclear sequences journal November 1989
Iron-Plasma Transmission Measurements at Temperatures Above 150 eV journal December 2007
A higher-than-predicted measurement of iron opacity at solar interior temperatures journal December 2014
Lowering of Ionization Potentials in Plasmas journal April 1966
Ionic Depression of Series Limits in Cne-Electron Spectra. journal September 1939
Low-energy x-ray interaction coefficients: Photoabsorption, scattering, and reflection journal January 1982
X-Ray Interactions: Photoabsorption, Scattering, Transmission, and Reflection at E = 50-30,000 eV, Z = 1-92 journal July 1993
Investigation of iron opacity experiment plasma gradients with synthetic data analysesa) journal August 2012

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