The CHIANTI database has the following primary ASCII files for this ion:
contains the energy levels (in cm-1). It includes both experimental and theoretical values of the levels energies.
Theoretical energies: Fernandez-Menchero, Del Zanna and Badnell, A&A, 2014, 566, A104 doi = {10.1051/0004-6361/201423864} Observed energies: NIST Atomic Spectra Database, (ver. 5.7.1), [Online] https://physics.nist.gov/PhysRefData/ASD/lines_form.html Note: only the bound levels up to n=5 have been retained. (The calculations also included autoionizing levels.) Produced as part of the 'CHIANTI' atomic data base collaboration by Giulio Del Zanna, May 2020 -1
contains wavelengths, gf and A values of the transitions. The wavelengths are based on the experimental energy levels and should be the best available. Wavelengths calculated from the theoretical energies are of an indeterminate accuracy and their values are presented as negative values of the calculated wavelength.
gf-values, A-values and theoretical energies: Fernandez-Menchero, Del Zanna and Badnell, A&A, 2014, 566, A104 doi = {10.1051/0004-6361/201423864} Only transition probabilities with a branching ratio greater than 10^(-5) have been retained. gf-values, A-values for the n=2,3 (lowest 20 levels): MCHF calculation by G. Tachiev and C. Froese Fischer, Method: MCHF (ab initio), J. Phys. B 32 5805, 1999 https://nlte.nist.gov/MCHF/periodic.html Observed energies: NIST Atomic Spectra Database, (ver. 5.7.1), [Online] https://physics.nist.gov/PhysRefData/ASD/lines_form.html Note: only the bound levels up to n=5 have been retained as the rates for the n=6,7 are not accurate. The calculations also included autoionizing levels. Produced as part of the 'CHIANTI' atomic data base collaboration by Giulio Del Zanna, May 2020 %File processed with wgfa_tidy by pryoung on 31-May-2023
contains the effective electron collision strengths scaled according to the rules formulated by Burgess and Tully (1992).
Giulio Del Zanna, May 2020 Produced as part of the 'CHIANTI' atomic data base collaboration by for the n=6,7 are not accurate. The calculations also included autoionizing levels. Note: only the bound levels up to n=5 have been retained as the rates doi = {10.1051/0004-6361/201423864} Fernandez-Menchero, Del Zanna and Badnell, A&A, 2014, 566, A104 oscillator strengths and effective collision strengths:
contains the spline fits to the scaled proton collision strengths.
%filename: c_3.psplups %rates: Ryans R.S.I., Foster-Woods V.J, Copeland F., Keenan F.P., Matthews A., Reid R.H.G., 1998, ADNDT 70, 179-229 %energies: Wiese W.L., Fuhr J.R., Deters T.M., 1996, J. Phys. Chem. Ref. Data, Monograph #7 %comment: Fits valid for 1e4 to 2.5e6 K. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Peter Young 23-Oct-01
Page created by Giulio Del Zanna on Tue Dec 3 13:23:15 2024