INTENSITY PERTURBATIONS DUE TO CONFIGURATION INTERACTION OBSERVED IN ELECTRON ENERGY-LOSS SPECTRUM OF N2

被引:100
作者
GEIGER, J
SCHRODER, B
机构
[1] I. Physikalisches Institut, Technischen Universität Berlin, Berlin
关键词
D O I
10.1063/1.1670870
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The electron energy-loss spectrum of 25-keV electrons in molecular nitrogen has been re-investigated in the 12.5-14.9 eV energy-loss range with improved energy resolution of 10 meV. The band intensities of the b and b′ progressions, which consist of the bands. j, b, m, p, q, and b′, g, f, r, s, t as recently turned out, exhibit strong perturbations due to configuration interaction with the c and c′ state, respectively. The disturbed intensity in the progressions is quite analogous to the one in the two-electron excitation region of helium. Intensity perturbations in the o series, if any, should be very weak.
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