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Emission cross section and vibrational branching ratios of the N2O+ (Ã 2Σ+ −X̃ 2Π) band produced by He* (2 3S) impact on N2O

✍ Scribed by Ikuo Tokue; Takeyuki Kudo; Yoshio Ito

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
487 KB
Volume
199
Category
Article
ISSN
0009-2614

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✦ Synopsis

Photoemission cmss sections of Penning ionization have been measured at 150 meV for collision of He*( 2 %3 ) with N1O by using the crossed-beam method and observing fluorescence in the 335-415 nm region. The emission cross section of the NzO+ (;d %+-g %) system obtained is (7.7 f 2.1) x 10-*0m2. The band strengths of the lb and 3: bands relative to the 08 band, s( lb)/s(O{) ands(3~)/s(O~),areevaluatedtobeO.lO5~O.OO7and0.045+0.003,respectively.Thes( l:)/s(Og) ratioindicates non-Franck-Condon behavior, which is attributable to the 7~~7 shape resonant ionization near 20 eV.

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