| 激发态CsHe(Ar)分子的光离解 |
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| 引用本文： | 沈异凡,李万兴.激发态CsHe(Ar)分子的光离解[J].原子与分子物理学报,2001,18(2):140-142. |
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| 作者姓名： | 沈异凡 李万兴 |
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| 作者单位： | 新疆大学物理系, |
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| 基金项目： | 国家自然科学基金资助项目(批准号19864001) |
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| 摘 要： | 研究Cs(62P)+He(Ar)+nhν→Cs(92D)+He(Ar)+(n-1)hν过程，激光频率调到Cs9D3/2→6P1/2跃迁谱线的蓝翼20～100cm-1，测量了精细结构谱线强度分支比I(9D3/2→6P3/2)/I(9D5/2→6P3/2)。实验表明，原子相互作用势和非绝热效应在离解动力学中起关键作用。
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| 关 键 词： | 光离解 精细结构 分支比 |
| 文章编号： | 1000-0364(2001)02-0140-03 |
| 修稿时间： | 2000年10月10 |
Photodissociation of the excited CsHe(Ar) states |
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| SHEN Yi-fan,LI Wan-xing.Photodissociation of the excited CsHe(Ar) states[J].Journal of Atomic and Molecular Physics,2001,18(2):140-142. |
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| Authors: | SHEN Yi-fan LI Wan-xing |
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| Abstract: | We report here an experimental study of the process Cs(62P)+He(Ar)+nhν→Cs(92D)+He(Ar)+(n-1)hν, where nhν represents a radiation field of frequency ν having n photons. The frequency ν is tuned in the blue wing of the 9D5/2→6P3/2 transition. The branching ratios are defined as the ratios of 9D3/2 to 9D5/2 fluorescence. The ratios are determined for detuning ranging from about 100 cm-1 in the blue wing of the Cs9D5/2. The measurements show a strong sensitivity to the interatomic potentials and to nonadiabatic effects in the dissociation dynamics. |
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| Keywords: | Photodissociation Fine structure Branching ratio |
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