Electron Impact Emission of N_2 2P(v', v") Bands Studied under Single-Collision Condition(Atomic and Molecular Physics)
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概要
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As a confirmative study on electron impact emission of the second positive band group (2PG) of N_2 molecules, absolute emission cross section for the 2P(0, 0) band and intensity ratios 2P(v′, v″)/2P(0, 0) have been measured. The absolute measurement has been made directly using a standard light source. From these results, the cross sections for excitation of C^3Π_u (v′=0, 1) vibrational states have been determined. Emphasis was placed on measurements under single-collision condition. Experimental errors have been assessed in some detail. The absolute 2P(0, 0) cross section measured has the peak value of (11.1±1.1)×10^<-18>cm^2. This value is in good agreement with measurements reported recently by other two research groups. From the present and the two recent results, which were measured at low N_2 pressure and for which estimated errors are given, a weighted averaging value is calculated to be (11.0±0.7)×10^<-18>cm^2 as a recommended emission cross section for 2P(0, 0) band.
- 社団法人日本物理学会の論文
- 2005-01-15
著者
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Tohyama Yuko
Department Of Physics Meisei University
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Nagata Tetsuo
Department Of Physics Meisei University
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TOHYAMA Yuko
Department of Physics, Meisei University
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