| Autor: |
Fred W Meyer, P. H. Stelson, H. J. Kim, R. A. Phaneuf |
| Rok vydání: |
1978 |
| Předmět: |
|
| Zdroj: |
Physical Review A. 17:854-858 |
| ISSN: |
0556-2791 |
| DOI: |
10.1103/physreva.17.854 |
| Popis: |
Cross sections for single electron capture by ${\mathrm{Si}}^{q+}$ ($2\ensuremath{\le}q\ensuremath{\le}9$) incident on atomic and molecular hydrogen have been measured in the relative-collision-velocity range (3.1-6.3)\ifmmode\times\else\texttimes\fi{}${10}^{8}$ cm/s. All measured cross sections decrease monotonically with relative velocity and scale roughly as ${q}^{N}$. The values of $N$ needed to fit the data range from \ensuremath{\sim}2 to \ensuremath{\sim}3 and increase with velocity. Cross sections averaged over incident charge states $q$ for molecular hydrogen are larger than for atomic hydrogen, becoming twice as large for relative velocities greater than 4\ifmmode\times\else\texttimes\fi{}${10}^{8}$ cm/s. For the limited cases where comparison was possible, we found the classical-trajectory Monte Carlo calculation to give a good account of the experimental results. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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