物理化学学报 >> 1988, Vol. 4 >> Issue (05): 545-548.doi: 10.3866/PKU.WHXB19880521

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Ar+激光激励Pb2的色散荧光谱

宁宝纲; 沈关林; 李学初; 楼南泉   

  1. 中国科学院大连化学物理研究所
  • 收稿日期:1987-01-27 修回日期:1987-11-18 发布日期:1988-10-15
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THE DISPERSION FLUORESCENCE SPECTRA OF Pb2 EXCITED BY AN Ar+ ION LASER

Ning Baogang*; Shen Guanlin; Li Xuechu; Lou Nanquan   

  1. Dalian Institute of Chemical Physics; Academia Sinica
  • Received:1987-01-27 Revised:1987-11-18 Published:1988-10-15
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Abstract: The dispersed fluorescence spectra of Pb_2 dimer were recorded from the excitation of Ar~+ laser in HPOR. By the detailed spectroscopic analysis for this well-resolved fluorescence spectra, the ground state of pb_2 molecule and one of its electronically excited state were assigned preliminarily to be X~1∑_g~+ and F′Ⅱ_u state respectively.
The spectral constants of the X and F are ω_e″=108.5 cm~(-1),ω_e″X_e″ = 0.209 cm~(-1), ω_e′=152.4 cm~(-1), ω_e′X_e′=0.636 cm~(-1) and T_e=19818,1 cm~(-1)., respectively