Physics – Atomic Physics
Scientific paper
Oct 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..41420085d&link_type=abstract
VizieR On-line Data Catalog: J/A+AS/142/85. Originally published in: 2000A&AS..142...85D
Physics
Atomic Physics
Atomic Physics
Scientific paper
Effective recombination coefficients are given for C II transitions between doublet states. The calculations are carried out in the temperature range 500-20000K and for an electron density of 104cm-3. The effects of electron collisions on the excited states are included. The necessary bound-bound and bound-free radiative data are obtained from a new R-matrix calculation in which photoionization resonances are fully delineated, thereby accurately incorporating the effects of both radiative and dielectronic recombination. The R-matrix calculation includes all bound states with principal quantum number n<=15 and total orbital angular momentum L<=4. The effect of moving the resonance features to their experimentally determined positions is also investigated and found to be important at low temperatures. (5 data files).
Davey Alisdair R.
Kisielius R.
Storey Peter J.
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