【摘 要】
：
利用Ａｒ／ＣＦ４、Ａｒ／ＣＦ２Ｃｌ２或Ａｒ／ＣＦ３ＣＯＯＨ混合气体的直流脉冲放电产生ＣＦ自由基，观测了２６０～３６０ｎｍ范围内转动分辨的ＣＦ自由基双光子共振增强多光子电离谱．分析表明，该段光谱对应于ＣＦ自由基３ｐπＤ２πｒ（ｖ’=２～６，ｒ=３／２，１／２）←←Ｘ２Пｒ（ｖ”＝０，ｒ＝３／２，１／２）的共振激发。对观测的振
【机 构】
：
中国科技大学中国科学院选键化学开放实验室!化学物理系合肥230026,中国科技大学中国科学院选键化学开放实验室!化学物理系合肥230026,中国科技大学中国科学院选键化学开放实验室!化学物理系合肥23
论文部分内容阅读
利用Ａｒ／ＣＦ４、Ａｒ／ＣＦ２Ｃｌ２或Ａｒ／ＣＦ３ＣＯＯＨ混合气体的直流脉冲放电产生ＣＦ自由基，观测了２６０～３６０ｎｍ范围内转动分辨的ＣＦ自由基双光子共振增强多光子电离谱．分析表明，该段光谱对应于ＣＦ自由基３ｐπＤ２πｒ（ｖ’=２～６，ｒ=３／２，１／２）←←Ｘ２Пｒ（ｖ”＝０，ｒ＝３／２，１／２）的共振激发。对观测的振动带进行了转动分析，并获得了３ｐ里德堡态的转动常数和自旋-轨道分裂值。
The CF radicals were generated by DC pulse discharge of Ar / CF4, Ar / CF2Cl2 or Ar / CF3COOH mixed gas, and the rotationally resolved CF free radical two-photon resonance enhanced multiphoton ionization spectra were observed in the range of 260 ~ 360nm. The analysis shows that the spectrum corresponds to the ratio of CF radicals 3pπD2πr (v ’= 2 ~ 6, r = 3/2, 1/2) ← ← X2Пr (v "= 0, r = 3/2, 1/2) Resonance excitation The observed vibrational bands were analyzed for rotation and the rotational constants and spin-orbit splitting values for 3p Rydberg states were obtained.
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