John J. Curry

Atomic Spectroscopy Group National Institute of Standards and Technology

physics.nist.gov/Divisions/Div842/Gp1/index.html

What are the highest priority atomic data needs emerging from High-Energy Density Laboratory Plasma research?

jjcurry@nist.gov

• Atomic Spectra Database

• Measurements of highly-charged ions in EBIT

• Non-LTE plasma modeling

Contributors:Yuri RalchenkoJohn GillaspyJoseph TanJoe ReaderASD ContributorsAlexander Kramida

Much of the work described here has received long-term support from The Department of Energy, Office of Fusion Energy Sciences

http://physics.nist.gov/PhysRefData/ASD

http://physics.nist.gov/PhysRefData/ASD

Different ions

EBIT spectra of W (Ebeam = 8.8 keV)

IONSIONS: W54+ - W63+

ModelingModeling:6600 levels> 1 million transitions

EXP

THEORYW55+ W56+ W57+W58+

W59+ W60+ W61+

W62+ W54+

All strong lines were identifiedas the n=3-n=3 transitions(E1 and M1)

Non-LTE Databases

http://nlte.nist.gov/SAHA

http://nlte.nist.gov/NLTE4

Ar:mean ioncharge

Au:ionizationdistribution

Xe:levelpopulations

FLYCHK at NIST:a complete time-dependent collisional-radiative code for

online calculations

http://nlte.nist.gov/FLY