New observation of the , 1Δg, and 2Πg states and molecular constants with all Li2, Li2, and LiLi data |
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Authors: | Dan Li Feng Xie Li Li Angelos Lazoudis A. Marjatta Lyyra |
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Affiliation: | aDepartment of Physics and Key Laboratory of Atomic and Molecular Nanosciences, Tsinghua University, Beijing 100084, China;bDepartment of Physics, Temple University, Philadelphia, PA 19122, USA |
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Abstract: | This paper reports our new observation of the , 13Δg (v = 2–4), and 23Πg (v = 2–8) states of 6Li7Li by continuous wave perturbation facilitated optical–optical double resonance spectroscopy. Combining our new experimental term values of 6Li7Li with the available experimental data of 6Li2 and 7Li2, molecular constants and potential energy curves by Rydberg–Klein–Rees and direct-potential-fit techniques have been determined. Born-Oppenheimer breakdown parameters of the Li2 13Δg and 23Πg states are calculated. |
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Keywords: | 6Li7Li Lithium dimer Li2 triplet states PFOODR Li2 Rydberg states |
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