| High-resolution photoassociation spectroscopy of ultracold Cs2 long-range 0g- state：The external well potential depth |
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| 作者姓名： | 刘文良 武寄洲 马杰 肖连团 贾锁堂 |
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| 作者单位： | State Key Laboratory of Quantum Optics and Quantum Optics Devices, Laser Spectroscopy Laboratory, Shanxi University, Taiyuan 030006, China |
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| 基金项目： | 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);the Natural Science Foundation of Shanxi Province,China(Grant No.2013021005-1) |
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| 摘 要： | 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).
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| 关 键 词： | ultracold molecules photoassociation trap-loss spectroscopy potential depth |
| 收稿时间： | 2013-06-17 |
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