| Автор | E P Buurman |
| Автор | O J Koning |
| Автор | A Donszelmann |
| Дата выпуска | 1989-12-28 |
| dc.description | The authors investigated the 3s<sup>2</sup>ns <sup>2</sup>S Rydberg series and salient features of the 3s<sup>2</sup>nd <sup>2</sup>D<sub>3/2, 5/2</sub>, series in free aluminium atoms. The high <sup>2</sup>D and <sup>2</sup>S levels were populated by stepwise excitation using 4s <sup>2</sup>S<sub>1/2</sub> as the intermediate state. They determined the position of the series members accurately from the normally forbidden 4s <sup>2</sup>S-ns <sup>2</sup>S and 4s <sup>2</sup>S-nd <sup>2</sup>D transitions (37<or=n<or=55) in a weak electric field. The <sup>2</sup>S series is not perturbed; its quantum defect is 1.729(2). The <sup>2</sup>D series is strongly perturbed by interaction with the <sup>2</sup>D term of the 3s3p<sup>2</sup> configuration and with other configurations. A new value for the ionisation limit is derived: 48278.372(1) cm<sup>-1</sup>. The fine-structure splitting of the high <sup>2</sup>D levels has been estimated for the first time. The splitting is very large, due to a perturbation of the series. The authors' results are compared with other aluminium data as well as with data from the elements gallium and indium. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Study of the ns <sup>2</sup>S and nd <sup>2</sup>D Rydberg series in aluminium |
| Тип | paper |
| DOI | 10.1088/0953-4075/22/24/004 |
| Electronic ISSN | 1361-6455 |
| Print ISSN | 0953-4075 |
| Журнал | Journal of Physics B: Atomic, Molecular and Optical Physics |
| Том | 22 |
| Первая страница | 3965 |
| Последняя страница | 3972 |
| Аффилиация | E P Buurman; Zeeman Lab., Amsterdam Univ., Netherlands |
| Аффилиация | O J Koning; Zeeman Lab., Amsterdam Univ., Netherlands |
| Аффилиация | A Donszelmann; Zeeman Lab., Amsterdam Univ., Netherlands |
| Выпуск | 24 |
