A STUDY OF THE VIBRONIC STRUCTURE IN THE HEL EXCITED PHOTOELECTRON SPECTRUM OF CO2 INVOLVING THE X (2)PI(G) AND A (2)PI(U) IONIC STATES

Baltzer P.; Eland JHD.; Karlsson L.; Lundqvist M.; Rostas J. Tam KY.; Veenhuizen H.; Wannberg B.; Chau FT.

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A STUDY OF THE VIBRONIC STRUCTURE IN THE HEL EXCITED PHOTOELECTRON SPECTRUM OF CO2 INVOLVING THE X (2)PI(G) AND A (2)PI(U) IONIC STATES

机译：激发X（2）PI（G）和A（2）PI（U）离子态的CO激发的光电子光谱中的能级结构研究

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The HeI excited photoelectron spectrum of CO2 molecule covering the X (2) Pi(g) and A (2) Pi(u) ionic states has been recorded at a resolution of better than 5 meV. Complex vibrational structures are resolved in both photoelectron bands. In the X (2) Pi(g) state, the nu(2) and nu(3) modes are observed to be excited in both an odd and even numbers of quanta in addition to the nu(1) mode, whereas for the A (2) Pi(u) state the spectrum is dominated by excitations of the nu(1) mode alone and in combinations with excitations of the nu(2) mode in two quanta involving strong Fermi resonance. The observed spectrum has been assigned by comparison with optical spectra and with calculations of the vibrational fine structure including vibronic and spin-orbit coupling. (C) 1996 American Institute of Physics. [References: 39]

机译：已经记录了覆盖X（2）Pi（g）和A（2）Pi（u）离子态的CO2分子的HeI激发光电子光谱，其分辨率优于5 meV。在两个光电子带中解析出复杂的振动结构。在X（2）Pi（g）状态下，除了nu（1）模式外，还观察到nu（2）和nu（3）模式在奇数和偶数量子中都被激发，而对于A（2）Pi（u）状态的光谱由单独的nu（1）模激发和与nu（2）模激发的组合在两个涉及强费米共振的量子中控制。通过与光谱比较以及对包括振动和自旋轨道耦合在内的振动精细结构的计算，已分配了观察到的光谱。（C）1996年美国物理研究所。 [参考：39]

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《The Journal of Chemical Physics》 |1996年第22期|共10页
作者
Baltzer P.; Eland JHD.; Karlsson L.; Lundqvist M.; Rostas J. Tam KY.; Veenhuizen H.; Wannberg B.; Chau FT.;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Diode-laser absorption; Emission-spectrum; Threshold photoelectron; Ground-state; Band system; Resonance; Spectroscopy; Co2+(x2-pi-g); Beam; Cs2;

机译：二极管激光吸收;发射光谱;阈值光电子;基态;能带系统;共振;光谱学;Co2 +（x2-pi-g）;光束;Cs2;

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1. A STUDY OF THE VIBRONIC STRUCTURE IN THE HEL EXCITED PHOTOELECTRON SPECTRUM OF CO2 INVOLVING THE X (2)PI(G) AND A (2)PI(U) IONIC STATES [J] . Baltzer P., Eland JHD., Karlsson L., The Journal of Chemical Physics . 1996,第22期

机译：激发X（2）PI（G）和A（2）PI（U）离子态的CO激发的光电子光谱中的能级结构研究
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A STUDY OF THE VIBRONIC STRUCTURE IN THE HEL EXCITED PHOTOELECTRON SPECTRUM OF CO2 INVOLVING THE X (2)PI(G) AND A (2)PI(U) IONIC STATES

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