Direct Measurement of the Cs2 0u+ (P3/2) High-Lying Vibrational Spectroscopy Using Photon Counting

Direct Measurement of the Cs2 0u+ (P3/2) High-Lying Vibrational Spectroscopy Using Photon Counting
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使用光子计数直接测量 Cs2 0u (P3/2) 高位振动光谱

DOI:
10.1143/jpsj.78.064302
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发表时间:
2009-06
影响因子:
1.7
通讯作者:
Jie MA, Lirong WANG, Yanting ZHAO
Jie MA, Lirong WANG, Yanting ZHAO
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Jie MA, Lirong WANG, Yanting ZHAO

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我们报道了冷Cs原子的光缔合,用光子计数技术给出了在[-6.2,-2.5 cm-1]接近6S1/2+6P3/2离解极限范围内0u+长程分子态的光谱数据。确定了在光缔合过程中导致激发分子形成的24个新的0u+长程态的高振动能级。用改进的LeRoy-Bernstein公式对实验数据进行拟合,得到了具有较高精度的长程分子系数。
We report on the photoassociation of cold Cs atoms giving spectroscopy data of the 0 u + long-range molecular state in the asymptotic range of [-6.2, -2.5 cm -1 ] close to the 6S 1/2 +6P 3/2 dissociation limit using photon counting technique. 24 new high-lying vibrational levels of the 0 u + long-range state are identified to lead to the formation of excited molecules in the photoassociation process. Fitting experimental data to improved LeRoy–Bernstein formula, we obtain long-range molecular coefficient with a high precision.
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