J
Jean-Christophe Pain
Researcher at Commissariat à l'énergie atomique et aux énergies alternatives
Publications - 176
Citations - 1743
Jean-Christophe Pain is an academic researcher from Commissariat à l'énergie atomique et aux énergies alternatives. The author has contributed to research in topics: Opacity & Electron. The author has an hindex of 20, co-authored 148 publications receiving 1496 citations. Previous affiliations of Jean-Christophe Pain include Alternatives & DSM.
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Journal ArticleDOI
A higher-than-predicted measurement of iron opacity at solar interior temperatures.
James E. Bailey,Taisuke Nagayama,G. Loisel,Gregory Rochau,C. Blancard,James Colgan,Ph. Cosse,G. Faussurier,Christopher J. Fontes,F. Gilleron,Igor Golovkin,Stephanie Hansen,Carlos A. Iglesias,David P. Kilcrease,Joseph J. MacFarlane,Roberto Mancini,Sultana N. Nahar,Chris Orban,Jean-Christophe Pain,Anil K. Pradhan,M. E. Sherrill,Brian G. Wilson +21 more
TL;DR: Measurements of wavelength-resolved iron opacity at electron temperatures and electron densities at the solar radiation/convection zone boundary show that wavelength-dependent opacity is 30–400 per cent higher than predicted, which represents roughly half the change in the mean opacity needed to resolve the solar discrepancy.
Journal ArticleDOI
Systematic Study of L-Shell Opacity at Stellar Interior Temperatures.
Taisuke Nagayama,James E. Bailey,Guillaume Loisel,G. S. Dunham,Gregory Rochau,Christophe P. Blancard,James Colgan,Ph. Cosse,G. Faussurier,Chris Fontes,F. Gilleron,Stephanie Hansen,Carlos A. Iglesias,Igor Golovkin,D. P. Kilcrease,Joseph J. MacFarlane,Roberto Mancini,R. M. More,Chris Orban,Jean-Christophe Pain,Manolo Sherrill,Brian G. Wilson +21 more
TL;DR: The first systematic study of opacity dependence on atomic number at stellar interior temperatures is used to evaluate discrepancies between measured and modeled iron opacity, and reveals shortcomings in models for density effects, excited states, and open L-shell configurations.
Journal ArticleDOI
A consistent approach for mixed detailed and statistical calculation of opacities in hot plasmas
TL;DR: In this paper, the superconfiguration code SCO (Super-Configuration Opacity) is proposed for the analysis of plasmas with multicharged-ions, which combines statistical approaches with fine-structure calculations consistently.
Journal ArticleDOI
A consistent approach for mixed detailed and statistical calculation of opacities in hot plasmas
TL;DR: In this paper, a hybrid opacity code, called SCORCG (Super Configuration Opacity Code), is proposed for plasmas with multichargedions, which combines statistical approaches with finestructure calculations consistently.
Journal ArticleDOI
Absorption spectroscopy of mid and neighboring Z plasmas: Iron, nickel, copper and germanium
G. Loisel,Philippe Arnault,S. Bastiani-Ceccotti,Thomas Blenski,T. Caillaud,J. Fariaut,Walter Fölsner,Franck Gilleron,Jean-Christophe Pain,M. Poirier,Charles Reverdin,V. Silvert,F. Thais,Sylvaine Turck-Chièze,Bruno Villette +14 more
TL;DR: In this paper, two laser beams from the LULI-2000 facility were used in the nanosecond-picosecond configuration to heat a gold hohlraum with an energy between 30 and 150 ǫ with a duration of 0.6 nns.