title: [Study on the emission spectrum of B (3)pig state of N2 molecule].
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 C 3pi(u)-->B3pi(g). On this base, the authors have calculated the vibrational frequency of B 3pig state to be 1738.50 cm(-1). The Frank-Condon factor about C3pi(u) (v' = 0)-->B3H(g) (v" = 0-5) was calculated, which is consistent with the results of experiment.
authors: College of Physics Science and Technology, Hebei University, Baoding 071002, China.
authors: Xiao-hui
authors: XH
authors: Zhao
authors: Lian-shui
authors: LS
authors: Zhang
authors: Gui-yin
authors: GY
authors: Zhang
authors: Bo
authors: B
authors: Sun
authors: Xiao-wei
authors: XW
authors: Li
mesh_terms: D000465:Algorithms; D055664:Electrochemical Techniques; D008956:Models, Chemical; D009584:Nitrogen / Q000737:chemistry*; D013050:Spectrometry, Fluorescence
chemical_list: D009584:Nitrogen