The 2 3Πg and 3 3Πg states of 7Li2: Optical-optical double resonance spectroscopy and ab initio calculations

A. Yiannopoulou; K. Urbanski; S. Antonova; A. M. Lyyra; Li Li; T. An; T. J. Whang; B. Ji; X. T. Wang; W. C. Stwalley; T. Leininger; G. H. Jeung

doi:10.1063/1.470469

The 2 ³Π_g and 3 ³Π_g states of ⁷Li₂: Optical-optical double resonance spectroscopy and ab initio calculations

A. Yiannopoulou, K. Urbanski, S. Antonova, A. M. Lyyra, Li Li, T. An, T. J. Whang, B. Ji, X. T. Wang, W. C. Stwalley, T. Leininger, G. H. Jeung

Department of Chemistry

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27 Citations (Scopus)

Abstract

The (2p + 2p) 2 ³Π_g and (2s + 3p) 3 ³Π_g states of ⁷Li₂ have been studied both experimentally and theoretically. Vibrational levels v = 0-41 of the 2 ³Π_g state and v = 6-10 of the 3 ³Π_g state have been observed by perturbation facilitated optical-optical double resonance (PFOODR) spectroscopy. Our ab initio calculations show that the 2 ³Π_g state, although dissociating into 2p + 2p atomic limit, is a Rydberg state and strongly mixed with the (2s + 3p) 3 ³Π_g and (2s + 3d) 4 ³Π_g Rydberg states. Our theoretical calculations show good agreement with our experimental results.

Original language	English
Pages (from-to)	5898-5903
Number of pages	6
Journal	The Journal of Chemical Physics
Volume	103
Issue number	14
DOIs	https://doi.org/10.1063/1.470469
Publication status	Published - 1995

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "The 2 3Πg and 3 3Πg states of 7Li2: Optical-optical double resonance spectroscopy and ab initio calculations",

abstract = "The (2p + 2p) 2 3Πg and (2s + 3p) 3 3Πg states of 7Li2 have been studied both experimentally and theoretically. Vibrational levels v = 0-41 of the 2 3Πg state and v = 6-10 of the 3 3Πg state have been observed by perturbation facilitated optical-optical double resonance (PFOODR) spectroscopy. Our ab initio calculations show that the 2 3Πg state, although dissociating into 2p + 2p atomic limit, is a Rydberg state and strongly mixed with the (2s + 3p) 3 3Πg and (2s + 3d) 4 3Πg Rydberg states. Our theoretical calculations show good agreement with our experimental results.",

author = "A. Yiannopoulou and K. Urbanski and S. Antonova and Lyyra, {A. M.} and Li Li and T. An and Whang, {T. J.} and B. Ji and Wang, {X. T.} and Stwalley, {W. C.} and T. Leininger and Jeung, {G. H.}",

year = "1995",

doi = "10.1063/1.470469",

language = "English",

volume = "103",

pages = "5898--5903",

journal = "The Journal of Chemical Physics",

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publisher = "American Institute of Physics Publising LLC",

number = "14",

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TY - JOUR

T1 - The 2 3Πg and 3 3Πg states of 7Li2

T2 - Optical-optical double resonance spectroscopy and ab initio calculations

AU - Yiannopoulou, A.

AU - Urbanski, K.

AU - Antonova, S.

AU - Lyyra, A. M.

AU - Li, Li

AU - An, T.

AU - Whang, T. J.

AU - Ji, B.

AU - Wang, X. T.

AU - Stwalley, W. C.

AU - Leininger, T.

AU - Jeung, G. H.

PY - 1995

Y1 - 1995

N2 - The (2p + 2p) 2 3Πg and (2s + 3p) 3 3Πg states of 7Li2 have been studied both experimentally and theoretically. Vibrational levels v = 0-41 of the 2 3Πg state and v = 6-10 of the 3 3Πg state have been observed by perturbation facilitated optical-optical double resonance (PFOODR) spectroscopy. Our ab initio calculations show that the 2 3Πg state, although dissociating into 2p + 2p atomic limit, is a Rydberg state and strongly mixed with the (2s + 3p) 3 3Πg and (2s + 3d) 4 3Πg Rydberg states. Our theoretical calculations show good agreement with our experimental results.

AB - The (2p + 2p) 2 3Πg and (2s + 3p) 3 3Πg states of 7Li2 have been studied both experimentally and theoretically. Vibrational levels v = 0-41 of the 2 3Πg state and v = 6-10 of the 3 3Πg state have been observed by perturbation facilitated optical-optical double resonance (PFOODR) spectroscopy. Our ab initio calculations show that the 2 3Πg state, although dissociating into 2p + 2p atomic limit, is a Rydberg state and strongly mixed with the (2s + 3p) 3 3Πg and (2s + 3d) 4 3Πg Rydberg states. Our theoretical calculations show good agreement with our experimental results.

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DO - 10.1063/1.470469

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SN - 0021-9606

VL - 103

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JO - The Journal of Chemical Physics

JF - The Journal of Chemical Physics

IS - 14

ER -

The 2 ³Π_g and 3 ³Π_g states of ⁷Li₂: Optical-optical double resonance spectroscopy and ab initio calculations

Abstract

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