| K2分子23∏g—13∑u+漫射谱强度的碰撞诱导增强效应 |
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| 引用本文： | 张立敏,楼立人,郭常新,马兴孝,夏宇兴.K2分子23∏g—13∑u+漫射谱强度的碰撞诱导增强效应[J].物理学报,1990,39(4):518-525. |
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| 作者姓名： | 张立敏 楼立人 郭常新 马兴孝 夏宇兴 |
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| 作者单位： | (1)中国科学技术大学近代化学系,合肥,230026; (2)中国科学技术大学物理系,合肥,230026; (3)中国科学院安徽光学精密机械研究所,合肥,230031 |
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| 摘 要： | 用4415.6?CW激光线获得了5730?附近的K2分子23∏g—13∑u+漫射荧光谱。实验研究了缓冲气体Ar气压强P对漫射谱峰值强度Idiff的碰撞诱导增强效应。用稳态碰撞模型描述了C1∏u—23∏g间的能量转移过程,推导出了Idiff-P函数关系,对实验数据进行了令人满意的拟合。这种拟合表明:适当变更实验装置,利用本文模型可以得到C1∏u—23∏g间的能级交叉速率和碰撞诱导转移速率。
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| 关 键 词： | K2分子 漫射谱 碰撞诱导 增强效应 |
| 收稿时间： | 1989-03-20 |
COLLISION-INDUCED ENHANCEMENT EFFECT OF THE INTENSITIES OF 23∏g—13∑u+ DIFFUSE SPECTRUM FOR K2 DIMER |
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| ZHANG LI-MIN,LOU LI-REN,GUO CHANG-XIN,MA XING-XIAO and XIA YU-XING.COLLISION-INDUCED ENHANCEMENT EFFECT OF THE INTENSITIES OF 23∏g—13∑u+ DIFFUSE SPECTRUM FOR K2 DIMER[J].Acta Physica Sinica,1990,39(4):518-525. |
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| Authors: | ZHANG LI-MIN LOU LI-REN GUO CHANG-XIN MA XING-XIAO and XIA YU-XING |
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| Abstract: | The 23Πg-13∑u+ diffuse fluorescence spectrum around 5730? for K2 dimer excited by 4415.6? CW Isser line was obtained. The collision-induced enhancement effect of the maximum intensities Idiff of the diffuse spectrum versus the pressure P ot buffer gas Ar was studied experimentally. The energy transfer processes of C1Πu-23Πg was showed by stable collision model. The Idiff-P relation was deduced and a satisfactory fitting for the experimental data was obtained by use of this model. This fitting showed that the energy crossing rate and collision-induced transfer rate could be obtained by this model with some alternations of the experimental setup.
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