Atomic data of Zn I for the investigation of element abundances

Details Atomic data of Zn I for the investigation of element abundances Atomic data of Zn I for the investigation of element abundances

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011a%26a...536a..51l&link_type=abstract

Astronomy & Astrophysics, Volume 536, id.A51

Astronomy and Astrophysics

Astrophysics

Stars: Abundances, Atomic Data

Scientific paper

Aims: We calculate the energy levels, oscillator strengths, and photoionization cross-sections of Zn I to provide atomic data for the study of element abundances in astrophysics. Methods: The calculations are carried out by using the R-matrix method in the LS-coupling scheme. The lowest 12 terms of Zn II are utilized as target states and extensive configuration interaction is included to properly delineate the quantum states of Zn II and Zn I. Results: The 3443 oscillator-strength values are calculated in both length and velocity forms, for the dipole-allowed transitions between 235 bound states of Zn I. The photoionization cross-section of each bound state is presented in a photon energy range from the first threshold to about 1.5 Ry. Some resonance structures are identified in the photoionization cross-sections. Conclusions: A set of atomic data to derive the spectral characteristics of neutral zinc is obtained. Comparisons are made with available experimental and other theoretical results.
The complete set of atomic data is only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/536/A51

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