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K-shell electron capture from negative ions
| Content Provider | Scilit |
|---|---|
| Author | Alston, S. |
| Copyright Year | 1995 |
| Description | Journal: Journal of Physics B: Atomic, Molecular and Optical Physics Electron capture from the K-shell of a negative ion by protons is considered by accounting for the interplay between the final channel-distorted projectile and off-shell electronic scattering motions using the distorted strong-potential Born approximation. The distorted motion accounts for the ionized state of the target core and the short-range shielding of the K-shell by the passive outer-shell electrons. Total cross sections versus incident energy are compared for the negative-ion, neutral, and singly-ionized forms of the second- and third-row elements C, O, F and Si, S, Cl. Target core neutrality and diffuseness of the negative-ion screening consistently lower the cross section by amounts ranging from 22 to 37% while the positive-ion results are larger by only 1 to 15%. Previous comparison with experiment and coupled-Sturmian-pseudostate results for neutrals has shown very good agreement. |
| Related Links | http://iopscience.iop.org/article/10.1088/0953-4075/28/23/018/pdf |
| Ending Page | 5135 |
| Page Count | 9 |
| Starting Page | 5127 |
| ISSN | 09534075 |
| e-ISSN | 13616455 |
| DOI | 10.1088/0953-4075/28/23/018 |
| Journal | Journal of Physics B: Atomic, Molecular and Optical Physics |
| Issue Number | 23 |
| Volume Number | 28 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 1995-12-14 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics B: Atomic, Molecular and Optical Physics Nuclear Physics Electron Capture Negative Ion Target Core |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics |
