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K-shell photoionization of nickel ions using r-matrix
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Witthoeft, M. C. Quinet, P. Garcia, J. Palmeri, P. Kallman, T. R. Bautista, M. A. Mendoza, C. |
| Copyright Year | 2011 |
| Description | We present R-matrix calculations of photoabsorption and photoionization cross sections across the K edge of the Li-like to Ca-like ions stages of Ni. Level-resolved, Breit-Pauli calculations were performed for the Li-like to Na-like stages. Term-resolved calculations, which include the mass-velocity and Darwin relativistic corrections, were performed for the Mg-like to Ca-like ion stages. This data set is extended up to Fe-like Ni using the distorted wave approximation as implemented by AUTOSTRUCTURE. The R-matrix calculations include the effects of radiative and Auger dampings by means of an optical potential. The damping processes affect the absorption resonances converging to the K thresholds causing them to display symmetric profiles of constant width that smear the otherwise sharp edge at the K-shell photoionization threshold. These data are important for the modeling of features found in photoionized plasmas. |
| File Size | 829986 |
| Page Count | 23 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20110013414 |
| Archival Resource Key | ark:/13960/t1rg0qq95 |
| Language | English |
| Publisher Date | 2011-01-01 |
| Access Restriction | Open |
| Subject Keyword | Astronomy Photoionization Calcium Plasmas Physics Lithium Nickel K Lines X Ray Astronomy Photoabsorption Metal Ions Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
