Investigation of the A2∑- state of CuO by laser-induced fluorescence
金瑾;冉琴;张霄鹏;陈旸;陈从香
【期刊名称】《中国物理：英文版》 【年(卷),期】2002(011)005
【摘要】The laser-induced fluorescence excitation spectrum of the A2∑- - X2Ⅱ3/2 transition of CuO in the 540-620nmregion has been studied, where the CuO molecule was produced by using the technique of dc discharge reaction undera supersonic condition. We have recorded and rotationally analysed the 0-0, 1-0, 2-0 and 3-0 bands. The rotationalconstants of the upper state A2∑- were determined and vibrational constants improved. In addition, the lifetimemeasurement for the A2∑- state was carried out under the collision-free condition, and the lifetimes obtained are469±2, 456±2, 488±3 and 490±4ns for v'=0, v'=1, v'=2 and v'=3 levels, respectively. 【总页数】5页(481-485)
【关键词】CuO;excitation spectrum 【作者】金瑾;冉琴;张霄鹏;陈旸;陈从香
【作者单位】Open Laboratory of Bond-Selective Chemistry, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Open Laboratory of Bond-Selective Chemistry, and Department of Chemical Physics, University of Science
and Technology of China, Hefei 230026, China;Open Laboratory of Bond-Selective Chemistry, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Open Laboratory of Bond-Selective Chemistry, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Open Laboratory of Bond-Selective Chemistry, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China 【正文语种】中文 【中图分类】O4 【相关文献】
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Investigation of the A2∑- state of CuO by laser-induced fluorescence
