| Автор | Albert Crowe |
| Автор | Danica Cvejanovic |
| Автор | Damien T McLaughlin |
| Автор | Brendan P Donnelly |
| Автор | Dmitry Fursa |
| Автор | Igor Bray |
| Автор | Klaus Bartschat |
| Дата выпуска | 2000-07-14 |
| dc.description | Excitation of the 3 <sup>3</sup>D state of helium by electrons with an energy of 370 meV above threshold is studied experimentally using the electron-photon polarization correlation method and theoretically using the convergent close-coupling (CCC) and R-matrix with pseudo-states (RMPS) methods. Stokes parameters and associated coherence parameters are presented. Despite difficulties associated with a sharp resonance in the cross section at this energy, generally good agreement is obtained between experiment and the calculations. At small scattering angles the results show a violation of the propensity rule for angular momentum transfer. CCC and RMPS calculations have also been performed at 22 and 24 eV for the 2 <sup>1</sup>P state and are compared with earlier angular correlation data. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Near-threshold correlation studies of the 2 <sup>1</sup>P and 3 <sup>3</sup>D states of helium excited by electron impact |
| Тип | paper |
| DOI | 10.1088/0953-4075/33/13/316 |
| Electronic ISSN | 1361-6455 |
| Print ISSN | 0953-4075 |
| Журнал | Journal of Physics B: Atomic, Molecular and Optical Physics |
| Том | 33 |
| Первая страница | 2571 |
| Последняя страница | 2578 |
| Выпуск | 13 |
