Resonant Reaction in Rb--Cs Vapour Mixture Rb(5P1/2 ) + Cs(6P3/2 ) → Cs(8S1/2 )+Rb(5S1/2 )
SHEN Yi-Fan, DAI Kang, MU Bao-Xia, WANG Shu-Ying, CUI Xiu-Hua
Department of Physics, Xinjiang University, Urumqi 830046
Resonant Reaction in Rb--Cs Vapour Mixture Rb(5P1/2 ) + Cs(6P3/2 ) → Cs(8S1/2 )+Rb(5S1/2 )
SHEN Yi-Fan;DAI Kang;MU Bao-Xia; WANG Shu-Ying;CUI Xiu-Hua
Department of Physics, Xinjiang University, Urumqi 830046
关键词 ：
34.90.+q ,
34.50.Rk
Abstract ： We experimentally study energy-pooling collision in the Rb--Cs vapour mixture at low densities in a cell. Atoms are excited to Rb(5P1/2 ) and Cs(6P3/2 ) states using two single-mode diode lasers. To isolate the heteronuclear contribution in the fluorescence spectrum, a double-modulation technique is adopted. The excited-atom density and spatial distribution are mapped by monitoring the absorption of a counterpropagating single-mode diode laser beam, tuned to Rb(5P1/2 → 7S1/2 ) and Cs(6P3/2 → 8S1/2 ) transitions, respectively, which could be translated parallel to the pump beams. The excited atom densities are combined with the measured fluorescence ratios to determine cross section for the energy-pooling process [i.e. Rb(5P1/2 ) +Cs (6P3/2 ) → Cs(8S3/2 )+Rb (5S1/2 )]. The cross section is 3.79×10-14 cm2 ± 45%.
Key words ：
34.90.+q
34.50.Rk
出版日期: 2006-05-01
:
34.90.+q
(Other topics in atomic and molecular collision processes and interactions)
34.50.Rk
(Laser-modified scattering and reactions)
引用本文:
SHEN Yi-Fan;DAI Kang;MU Bao-Xia; WANG Shu-Ying;CUI Xiu-Hua. Resonant Reaction in Rb--Cs Vapour Mixture Rb(5P1/2 ) + Cs(6P3/2 ) → Cs(8S1/2 )+Rb(5S1/2 )[J]. 中国物理快报, 2006, 23(5): 1173-1175.
1/2 ) + Cs(6P3/2 ) → Cs(8S1/2 )+Rb(5S1/2 ). Chin. Phys. Lett., 2006, 23(5): 1173-1175.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I5/1173
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