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Chin. Phys. B, 2014, Vol. 23(1): 013301    DOI: 10.1088/1674-1056/23/1/013301
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

High-resolution photoassociation spectroscopy of ultracold Cs2 long-range 0g- state:The external well potential depth

Liu Wen-Liang, Wu Ji-Zhou, Ma Jie, Xiao Lian-Tuan, Jia Suo-Tang
State Key Laboratory of Quantum Optics and Quantum Optics Devices, Laser Spectroscopy Laboratory, Shanxi University, Taiyuan 030006, China
Abstract  High-resolution photoassociation spectroscopy is reported using a modulation spectroscopy technology in a cesium atomic magneto-optical trap. The two lowest vibrational levels have been experimentally observed which have been theoretically predicted in [Phys. Rev. A 75 052501 (2007)]. A new potential curve is obtained by using the Rydberg–Klein–Ress method with a well depth of -82.384±0.026 cm-1, which is deeper than the result of previous experiment (-77.909 cm-1) and the theoretical prediction (-81.6445 cm-1).
Keywords:  ultracold molecules      photoassociation      trap-loss spectroscopy      potential depth  
Received:  17 June 2013      Revised:  28 August 2013      Published:  12 November 2013
PACS:  33.20.Vq (Vibration-rotation analysis)  
  33.15.Pw (Fine and hyperfine structure)  
  31.10.+z (Theory of electronic structure, electronic transitions, and chemical binding)  
Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB921603), the National High Technology Research and Development Program of China (Grant No. 2011AA010801), the National Natural Science Foundation of China (Grant Nos. 61008012 and 10934004), the International Science and Technology Corporation Program of China (Grant No. 2011DFA12490), the New Teacher Fund of the Ministry of Education of China (Grant No. 20101401120004), and the Natural Science Foundation of Shanxi Province, China (Grant No. 2013021005-1).
Corresponding Authors:  Ma Jie     E-mail:  mj@sxu.edu.cn

Cite this article: 

Liu Wen-Liang, Wu Ji-Zhou, Ma Jie, Xiao Lian-Tuan, Jia Suo-Tang High-resolution photoassociation spectroscopy of ultracold Cs2 long-range 0g- state:The external well potential depth 2014 Chin. Phys. B 23 013301

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