Zheng Chen, Cheng-zhe Cui, Yao-ming Liu, Li Li, V. B. Sovkov, V. S. Ivanov. New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy[J]. Chinese Journal of Chemical Physics , 2006, 19(1): 11-14. doi: 10.1360/cjcp2006.19(1).11.4
Citation: Zheng Chen, Cheng-zhe Cui, Yao-ming Liu, Li Li, V. B. Sovkov, V. S. Ivanov. New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy[J]. Chinese Journal of Chemical Physics , 2006, 19(1): 11-14. doi: 10.1360/cjcp2006.19(1).11.4

New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy

doi: 10.1360/cjcp2006.19(1).11.4
Funds:  National Natural Science Foundation of China(NSFC No. 20473042, NO.20173029 and 10174042), NKBRSF, and SRFDP of China and by RFBR(grant 05-03-39012) of Russia.
  • Received Date: 2004-12-15
  • Sixty-five new vibronic levels of the Na2 43Σ+g state have been observed in the 33900-35200 cm-1 energy region above the potential minimum of the ground state by pulsed perturbation facilitated optical-optical double resonance (PFOODR) fluorescence excitation spectroscopy. These new data fill the gap between the low-v levels mainly observed by continuous wave (CW) PFOODR spectroscopy and the high-v levels above the 3s+3d limit observed by pulsed PFOODR with predissociation detection. Molecular constants are fitted below potential shelf around the 3s+3d atomic limit with previously published data (mainly observed by CW PFOODR) and these new data. RKR potential curve has been calculated with the new constants. The constants are: Te = 32127:090 cm-1, we = 121:4099(0:20720) cm-1, Be = 0:116287(0:0002300) cm-1, Re =3:551 ?. An error of the RKR potential curve of J. Chem. Phys. 108, 7707 (1998) is corrected.
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New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy

doi: 10.1360/cjcp2006.19(1).11.4
Funds:  National Natural Science Foundation of China(NSFC No. 20473042, NO.20173029 and 10174042), NKBRSF, and SRFDP of China and by RFBR(grant 05-03-39012) of Russia.

Abstract: Sixty-five new vibronic levels of the Na2 43Σ+g state have been observed in the 33900-35200 cm-1 energy region above the potential minimum of the ground state by pulsed perturbation facilitated optical-optical double resonance (PFOODR) fluorescence excitation spectroscopy. These new data fill the gap between the low-v levels mainly observed by continuous wave (CW) PFOODR spectroscopy and the high-v levels above the 3s+3d limit observed by pulsed PFOODR with predissociation detection. Molecular constants are fitted below potential shelf around the 3s+3d atomic limit with previously published data (mainly observed by CW PFOODR) and these new data. RKR potential curve has been calculated with the new constants. The constants are: Te = 32127:090 cm-1, we = 121:4099(0:20720) cm-1, Be = 0:116287(0:0002300) cm-1, Re =3:551 ?. An error of the RKR potential curve of J. Chem. Phys. 108, 7707 (1998) is corrected.

Zheng Chen, Cheng-zhe Cui, Yao-ming Liu, Li Li, V. B. Sovkov, V. S. Ivanov. New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy[J]. Chinese Journal of Chemical Physics , 2006, 19(1): 11-14. doi: 10.1360/cjcp2006.19(1).11.4
Citation: Zheng Chen, Cheng-zhe Cui, Yao-ming Liu, Li Li, V. B. Sovkov, V. S. Ivanov. New Observation of Na2 43Σ+g State by Pulsed Perturbation Facilitated Optical-Optical Double Resonance Spectroscopy[J]. Chinese Journal of Chemical Physics , 2006, 19(1): 11-14. doi: 10.1360/cjcp2006.19(1).11.4

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