Lyman transitions of high rovibrationally excited H2, HD and D2 molecules

被引：13

作者：

Gabriel, O. ^{[1
]}

van den Dungen, J. J. A. ^{[1
]}

Roueff, E. ^{[2
]}

Abgrall, H. ^{[2
]}

Engeln, R. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Appl Phys, NL-5600 MB Eindhoven, Netherlands

[2] Observ Paris, CNRS, UMR 8102, Lab Univ & Theorie,Sect Meudon, F-92195 Meudon, France

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2009年 / 253卷 / 01期

关键词：

Molecular hydrogen; Hydrogen plasma; Lyman transition; VUV spectroscopy; LASER-INDUCED FLUORESCENCE; QUANTUM-STATE DISTRIBUTIONS; VACUUM-ULTRAVIOLET; CROSS-SECTIONS; GROUND-STATE; HYDROGEN MOLECULES; EMISSION-SPECTRA; WERNER BANDS; PROBABILITIES; DEUTERIUM;

D O I：

10.1016/j.jms.2008.10.002

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：

Energies and probabilities of Lyman transitions of high rovibrationally excited H-2, HD and D-2 molecules have been measured and compared with calculations. The experimental results are obtained from laser-induced fluorescence spectra that have been recorded in the spectral range from 60500 to 83 500 cm(-1), covering 2/3 of the hydrogen Lyman band system. The necessary vacuum-UV radiation is produced by stimulated anti-Stokes Raman scattering, providing a widely tunable radiation source with narrow spectral bandwidth to resolve single Lyman transitions. The highest internal energies of detected hydrogen isotopologues are close to the dissociation limit. This extends the available data base of Lyman transitions from and to higher rotational states (J > 10) of HD and D-2. (c) 2008 Elsevier Inc. All rights reserved.

引用

页码：64 / 72

页数：9

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