| 光谱学与光谱分析 |
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| Study on the Emission Spectrum of B3Πg State of N2 Molecule |
| ZHAO Xiao-hui, ZHANG Lian-shui, ZHANG Gui-yin,SUN Bo, LI Xiao-wei |
| College of Physics Science and Technology, Hebei University, Baoding 071002, China |
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Abstract DC glow discharge was used to study N2 molecule at low pressure(4 Torr). The emission spectrum was examined in the range of 320-470 nm in the discharge plasma of N2, which showed that the emission was composed of a series of spectral lines equidistant, and the relative emission intensity became weaker with longer wavelength, whose distribution accorded with Frank-Condon rule. It is attributed to the transition of C3Πu→B3Πg. On this base, the authors have calculated the vibrational frequency of B3Πg state to be 1 738.50 cm-1. The Frank-Condon factor about C3Πu(v′=0)→B3Πg(v″=0-5) was calculated, which is consistent with the results of experiment.
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Received: 2003-08-15
Accepted: 2003-12-20
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Corresponding Authors:
ZHAO Xiao-hui
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| Cite this article: |
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ZHAO Xiao-hui,ZHANG Lian-shui,ZHANG Gui-yin, et al. Study on the Emission Spectrum of B3Πg State of N2 Molecule[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(03): 334-336.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I03/334 |
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