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Highly sensitive photoassociation spectroscopy of ultracold 23Na133Cs molecular long-range states below the 3S1/2+6P3/2 limit |
| Yanyan Liu(刘艳艳)1,2, Jizhou Wu(武寄洲)1,2, Wenliang Liu(刘文良)1,2, Xiaofeng Wang(王晓锋)1,2, Wenhao Wang(王文浩)1,2, Jie Ma(马杰)1,2, Liantuan Xiao(肖连团)1,2, Suotang Jia(贾锁堂)1,2 |
1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, China;
2. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China |
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Abstract We present high resolution photoassociation spectroscopy of ultracold 23Na133Cs molecules in a long-range c3∑+ state below the (3S1/2 + 6P3/2) asymptote. We perform photoassociation spectroscopy in a dual-species magneto-optical trap (MOT) and detect the photoassociation resonances using trap-loss spectroscopy. By fitting the experimental data with the semi-classical LeRoy-Bernstein formula, we deduce the long-range molecular coefficient C6 and derive the empirical potential energy curve in the long-range region.
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Received: 27 September 2017
Revised: 23 October 2017
Accepted manuscript online:
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PACS:
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37.10.Pq
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(Trapping of molecules)
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33.15.Mt
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(Rotation, vibration, and vibration-rotation constants)
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33.80.Wz
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(Other multiphoton processes)
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| Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304203), the ChangJiang Scholars and Innovative Research Team in the University of the Ministry of Education of China (Grant No. IRT13076), the National Natural Science Foundation of China (Grant Nos. 91436108, 61378014, 61675121, 61705123, and 11434007), the Fund for Shanxi "1331 Project" Key Subjects Construction, China, and the Foundation for Outstanding Young Scholars of Shanxi Province, China (Grant No. 201601D021001). |
Corresponding Authors:
Jizhou Wu
E-mail: wujz@sxu.edu.cn
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Cite this article:
Yanyan Liu(刘艳艳), Jizhou Wu(武寄洲), Wenliang Liu(刘文良), Xiaofeng Wang(王晓锋), Wenhao Wang(王文浩), Jie Ma(马杰), Liantuan Xiao(肖连团), Suotang Jia(贾锁堂) Highly sensitive photoassociation spectroscopy of ultracold 23Na133Cs molecular long-range states below the 3S1/2+6P3/2 limit 2017 Chin. Phys. B 26 123702
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