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: http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/zn/zn_28.html
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The CHIANTI database consists of 4 primary ASCII files for each ion in the database.
contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies.
References:
%observed energy levels: Martin, W.C., Sugar, J., Musgrove, A., Dalton, G.R., 1995, NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61 %theoretical energy levels: Zhang, Sampson, Fontes, ADNDT, 1990, 44, 31 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi 1997
contains wavelengths, gf and A values for each transition. Wavelengths are based on experimental level energies where available; wavelengths calculated from theoretical energies are less accurate and are given as negative values.
References:
%observed energy levels: Martin, W.C., Sugar, J., Musgrove, A., Dalton, G.R., 1995, NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61 %theoretical energy levels: Zhang, Sampson, Fontes, ADNDT, 1990, 44, 31 %Allowed transitions oscillator strengths: Zhang, Sampson, Fontes, 1990, ADNDT, 44, 31 %oscillator strengths: Martin, I., Karwowski, J., Diercksen, G.H.F., Barrientos, C., 1993, A&AS, 100, 595 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi - 1997
contains the spline fits to the electron collision strengths scaled according to Burgess and Tully (1992). Accurate replication of the temperature averaged collision strength over a wide range of temperatures can be accomplished with the data in this file.
References:
%filename: zn_28.splups %oscillator strengths: Zhang, Sampson, Fontes, 1990, ADNDT, 44, 31 %collision strengths: Zhang, Sampson, Fontes, 1990, ADNDT, 44, 31 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % Enrico Landi 1997