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Velocity dependence of fine-structure changing collisions of Na with Ne, Ar, Kr, Xe, $N_{2}$and $CO_{2}$
| Content Provider | Scilit |
|---|---|
| Author | Apt, J. Pritchard, D. E. |
| Copyright Year | 1979 |
| Description | Journal: Journal of Physics B: Atomic and Molecular Physics The authors present measurements of the velocity dependence and absolute magnitude of the fine-structure changing collision cross section for Na(3p) in collisions with Ne, Ar, Kr, Xe, $N_{2}$ and $CO_{2}$. The measurements were made in a gas cell using a technique based on the Doppler shift to achieve the velocity selection. The validity of the technique is established both by careful study of possible systematic effects and by comparison with recent crossed beams measurements where available. The results for rare-gas targets are compared with both semiclassical and quantal calculations; those by Pascale and Olson given excellent agreement for Ar, good for Xe (the calculated magnitude is too big), and fair for Ne and Kr (both magnitude and velocity dependence are somewhat outside error). The $N_{2}$ results agree with the magnitude of recent calculations. The $CO_{2}$ results are anomalously small at low relative velocity; this is attributed to competition from quenching processes. |
| Related Links | http://iopscience.iop.org/article/10.1088/0022-3700/12/1/016/pdf |
| Ending Page | 98 |
| Page Count | 16 |
| Starting Page | 83 |
| ISSN | 00223700 |
| DOI | 10.1088/0022-3700/12/1/016 |
| Journal | Journal of Physics B: Atomic and Molecular Physics |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 1979-01-14 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics B: Atomic and Molecular Physics Nuclear Physics Cross Section Fine Structure Doppler Shift |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics |
