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Titolo:
Effects of vibrational excitation of target N-2 molecule in charge-transfer reaction of He+ with N-2 at thermal energy
Autore:
Tsuji, M; Tsuji, T; Hamagami, T; Nakano, K;
Indirizzi:
Kyushu Univ, Inst Adv Mat Study, Kasuga, Fukuoka 8168580, Japan Kyushu Univ Kasuga Fukuoka Japan 8168580 , Kasuga, Fukuoka 8168580, Japan Kyushu Univ, Grad Sch Engn Sci, Dept Appl Sci Elect & Mat, Kasuga, Fukuoka8168580, Japan Kyushu Univ Kasuga Fukuoka Japan 8168580 t, Kasuga, Fukuoka8168580, Japan
Titolo Testata:
JOURNAL OF CHEMICAL PHYSICS
fascicolo: 15, volume: 115, anno: 2001,
pagine: 6811 - 6814
SICI:
0021-9606(20011015)115:15<6811:EOVEOT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
PENNING IONIZATION; NITROGEN; STATE; NO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Tsuji, M Kyushu Univ, Inst Adv Mat Study, Kasuga, Fukuoka 8168580, Japan Kyushu Univ Kasuga Fukuoka Japan 8168580 Fukuoka 8168580, Japan
Citazione:
M. Tsuji et al., "Effects of vibrational excitation of target N-2 molecule in charge-transfer reaction of He+ with N-2 at thermal energy", J CHEM PHYS, 115(15), 2001, pp. 6811-6814

Abstract

The effects of vibrational excitation of target N-2 molecule in the charge-transfer (CT) reaction He++N-2(X:v("))-->N-2(+)(C)+He has been studied at thermal energy using a flowing-afterglow method. The vibrational distribution of N-2(X:v " greater than or equal to0), produced from a microwave discharge of Ar/N-2 or He/N-2 mixtures, was determined using N-2(+)(B-X) emission resulting from the He(2 S-3)/N-2(X:v ") Penning ionization. Although the initial vibrational distribution of N-2(+)(C) produced from the He+/N-2(X:N-v "=0=100) reaction was N-v'=3:N-v'=4=100 +/-5:28 +/-2, it was N-v'=3:N-v'=4:N-v'=5:N-v'=6=100 +/-5:60 +/-3:41 +/-2:49 +/-2 in the He+/N-2(X:N-v " =0:N-v " =1:N-v " =2:N-v " =3=91 +/-5:100 +/-5:100 +/-5:18 +/-1) reaction. The N-2(+)(C:v(')=3) level, which is the most favorable level in the thermal He+/N-2(X:v " =0) reaction, is still favored in the He+/N-2(X:v " greater than or equal to0) reaction. This indicates that the deviation from the energy-resonance rule becomes large by the vibrational excitation of N-2(X:v "). The rotational distributions of v(')=3 and 4 were similar between the He+/N-2(X:v " =0) and He+/N-2(X:v " greater than or equal to0) reactions, demonstrating that V -->R transfer is insignificant for N-2(X)-->N-2(+)(C) ionization in the He+/N-2(X:v " greater than or equal to0) reaction. (C) 2001 American Institute of Physics.

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Documento generato il 09/07/20 alle ore 20:09:23