Towards a confirmation of theoretical predictions of selected spectroscopic constants for the D-1 Delta state of PN

被引:6
作者
deBrouckere, G
Feller, D
LeFloch, AC
Melen, F
Dubois, I
Bredhol, H
机构
[1] PACIFIC NW LAB, ENVIRONM MOL SCI LAB, RICHLAND, WA 99352 USA
[2] UNIV TOURS, DEPT PHYS, UER SCI, F-37041 TOURS, FRANCE
[3] OBSERV PARIS, DAMAP, CNRS, URA 812, F-92195 MEUDON, FRANCE
[4] UNIV LIEGE, INST ASTROPHYS, B-4000 LIEGE, BELGIUM
关键词
D O I
10.1088/0953-4075/29/24/013
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recent high-resolution measurements of the A (1) Pi-X (1) Sigma(+) bands in PN have provided additional information about the perturbations of the low-lying A (1) Pi vibrational levels resulting from interactions with nearby valence states. The primary interaction arises from the D (1) Delta excited state. Multireference configuration-interaction calculations were performed on the X (1) Sigma(+), A (1) Pi and D (1) Delta states of PN in order to gain some insight into the probable accuracy of theoretically predicted spectroscopic constants for the (1) Delta state, including r(e), B-e and T-e.
引用
收藏
页码:6069 / 6074
页数:6
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