Chin. Phys. Lett.  1999, Vol. 16 Issue (12): 882-884    DOI:
Original Articles |
Optical Oscillator Strengths for 32S → 42P and 32S → 52P Excitations of Na
ZHANG Xiao-jun;ZHU Lin-fan;WANG Ying-xue;LIU Xiao-jing;FENG Ren-fei;XU Ke-zun;ZHONG Zhi-ping1;YAN Jun1
Department of Modern Physics, Atomic and Molecular Physics Laboratory, University of Science and Technology of China, Hefei 230027 1Department of Modern Applied Physics, Center of Atomic and Molecular Science, Tsinghua University, Beijing 100084
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ZHANG Xiao-jun, ZHU Lin-fan, WANG Ying-xue et al  1999 Chin. Phys. Lett. 16 882-884
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Abstract The electron-energy-loss-spectrum of sodium has been measured in discrete region at a 1.5 keV impact energy and a mean scattering angle of 0°. The relative optical oscillator strength density spectrum of the valence shell of sodium was established by using the dipole (e, e) method and then normalized to the theoretical optical oscillator strength of the 32s + 32P excitation. The optical oscillator strengths of the 32S → 42P and 32S → 52P excitations obtained in the present work are 0.014 ± 0.002 and 0.0026 ± 0.0004, respectively. Theoretical values of optical oscillator strengths for 32S → n2P (n = 3 - 5 ) excitations of sodium were obtained by using the relativistic configuration interaction method, which are 0.97, 0.012, and 0.0025, respectively.

Keywords: 32.70.Cs      34.80.Dp     
Published: 01 December 1999
PACS:  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  34.80.Dp (Atomic excitation and ionization)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I12/0882
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ZHANG Xiao-jun
ZHU Lin-fan
WANG Ying-xue
LIU Xiao-jing
FENG Ren-fei
XU Ke-zun
ZHONG Zhi-ping
YAN Jun
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