HYPERFINE-STRUCTURE STUDIES OF NB-93 BY LASER OPTOGALVANIC SPECTROSCOPY

被引:21
|
作者
SINGH, R
THAREJA, RK
RAO, GN
机构
[1] INDIAN INST TECHNOL,CTR LASER TECHNOL,KANPUR 208016,UTTAR PRADESH,INDIA
[2] ADELPHI UNIV,DEPT PHYS,GARDEN CITY,NY 11530
关键词
D O I
10.1364/JOSAB.9.000493
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The hyperfine structure of 22 states of niobium is studied by Doppler-limited laser otogalvanic spectroscopy. The sample was prepared by a sputtering technique employing a niobium-neon hollow-cathode lamp. A frequency-stabilized single-frequency ring dye laser was used for excitation, and optogalvanic spectroscopy techniques were used for detection. From the recorded well-resolved hyperfine spectra the magnetic dipole and electric quadrupole coupling constants are evaluated. The hyperfine coupling constants for 13 states belonging to the configurations 4d(4)5x, 4d(3)5s5p are being reported for the first time to our knowledge. The values obtained are compared with previous data when available.
引用
收藏
页码:493 / 497
页数:5
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