HYPERFINE-STRUCTURE IN THE B3-PI-0+U STATE OF BR2 AND THE INFLUENCE OF THE PERTURBING 1U STATE

被引:2
作者
LIU, P
KIECKHAFER, J
TIEMANN, E
机构
[1] Institut für Atom- und Molekülphysik, Universität Hannover
关键词
D O I
10.1016/0022-2852(91)90246-7
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
Using Doppler-free polarization spectroscopy, the hyperfine structure of the B-X system of 79Br2 was measured for the levels B3Π0, v′ = 16-28, and X1Σg+, v″ = 1, 2. Besides the nuclear electric quadrupole coupling, the magnetic spin-rotation interaction was analyzed, which varies strongly with the vibrational energy of the electronically excited state. This behavior originates from a perturbing repulsive state Ω = 1u, the potential of which can be estimated in this way. © 1991.
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页码:521 / 526
页数:6
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