NUCLEAR-QUADRUPOLE QUANTUM BEAT SPECTROSCOPY IN THE ELECTRONIC GROUND-STATE OF A POLYATOMIC MOLECULE BY AN IR-UV DOUBLE-RESONANCE METHOD

被引：4
作者：
CARTER, RT [1 ]
WALTHER, T [1 ]
BITTO, H [1 ]
HUBER, JR [1 ]
机构：
[1] UNIV ZURICH,INST PHYS CHEM,CH-8057 ZURICH,SWITZERLAND
来源：
CHEMICAL PHYSICS LETTERS | 1995年 / 240卷 / 1-3期
关键词：
D O I：
10.1016/0009-2614(95)00474-I
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 feasibility of determining nuclear quadrupole hyperfine splittings in the ground electronic state of a polyatomic molecule using a double resonance quantum beat method has been demonstrated. Pyrimidine molecules were coherently excited into single rotational states of the S-0 20(1) (13a(1)) vibrational level. The resulting hyperfine level coherences were then probed, after a variable time delay, by excitation to the S-1 0(0) level with subsequent fluorescence detection. Analysis showed that the quadrupole structure in the 20(1) (13a(1)) level is similar to that previously measured in the vibrational ground state. Applications of this method and possible experimental extensions are discussed.
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页码：79 / 83
页数：5
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