| Br2+分子离子[1+1]双光子解离动力学 |
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| 引用本文： | 梁 昊,周郑芳,华泽丰,赵云肖,冯绍文,陈 旸,赵东锋.Br2+分子离子[1+1]双光子解离动力学[J].化学物理学报,2019,32(5):531-535. |
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| 作者姓名： | 梁 昊 周郑芳 华泽丰 赵云肖 冯绍文 陈 旸 赵东锋 |
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| 作者单位： | 中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026,中国科学技术大学化学物理系，合肥微尺度物质科学国家研究中心，合肥 230026 |
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| 摘 要： | 本文利用最近研制的低温离子阱-离子速度成像谱仪在冷离子束中研究了同位素质量分辨的79Br2+分子离子的1+1]双光子激光解离动力学. 借助其14Σ-u,3/2态为中间态使79Br2+共振吸收两个光子至4∽5 eV区域的高激发态并发生解离. 利用离子速度成像技术获得了光解产物79Br+的二维速度分布和平动能释放谱. 通过平动能释放谱确定了不同解离能量处量子态分辨的解离产物通道分支比. 光碎片产物的角分布表明79Br2+分子离子的双光子解离是14Σ-u,3/2态的ΔΩ=0平行跃迁至一个Ω=3/2高解离态发生的. 由于分子激发态中的强自旋-轨道耦合作用，高激发的四重态很可能参与到实验观测的光解过程.
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| 关 键 词： | 光解动力学，Br2+，速度成像谱，离子阱 |
| 收稿时间： | 2019/4/28 0:00:00 |
Imaging the [1+1] Two-Photon Dissociation Dynamics of Br2+ in a Cold Ion Beam |
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| Hao Liang,Zheng-fang Zhou,Ze-feng Hu,Yun-xiao Zhao,Shao-wen Feng,Yang Chen and Dong-feng Zhao.Imaging the [1+1] Two-Photon Dissociation Dynamics of Br2+ in a Cold Ion Beam[J].Chinese Journal of Chemical Physics,2019,32(5):531-535. |
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| Authors: | Hao Liang Zheng-fang Zhou Ze-feng Hu Yun-xiao Zhao Shao-wen Feng Yang Chen and Dong-feng Zhao |
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| Institution: | Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China and Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | |
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| Keywords: | Photodissociation dynamics Br2+ Velocity map imaging Ion trap |
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