According theory and experiment in CaH: Laser-induced fluorescence study of new B/B′-X bands in the UV region

被引：6

作者：

Watanabe, Kyohei ^{[1
]}

Yoneyama, Naoya ^{[1
]}

Uchida, Kanako ^{[1
]}

Kobayashi, Kaori ^{[1
]}

Matsushima, Fusakazu ^{[1
]}

Moriwaki, Yoshiki ^{[1
]}

Ross, Stephen C. ^{[2
]}

机构：

[1] Toyama Univ, Dept Phys, 3190 Gofuku, Toyama 9308555, Japan

[2] Univ New Brunswick, Dept Phys, Fredericton, NB E3B 5A3, Canada

来源：

CHEMICAL PHYSICS LETTERS | 2016年 / 657卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Electronic transition; Laser-induced fluorescence; Calcium monohydride; Double-minimum potential; E-2-PI-X-2-SIGMA(+) TRANSITION; CALCIUM HYDRIDE; SPECTRA; MOLECULE; SYSTEMS; STATES;

D O I：

10.1016/j.cplett.2016.05.033

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：

Despite the astrophysical importance of calcium monohydride (CaH), a long-standing discrepancy exists between the experimental and theoretical analysis of its first two excited (2)Sigma(+) states. In a bid to resolve this discrepancy, we observed the rotationally-resolved laser-induced fluorescence spectrum of CaH in the 23,300-27,800 cm (1) region. We assigned all newly observed vibrational levels, and five levels previously assigned to the D state, to the B/B' state. The level properties alternate strongly with vibrational excitation and this new assignment brings the experimental vibronic structure into remarkably good agreement with the predictions of Carlsund-Levin et al. (2002). (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1 / 7

页数：7

共 19 条

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