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He*(2 3S) penning ionization of H2S. II. Formation of the SH+(A 3Π) and H2S+(Ã 2A1) ions
http://hdl.handle.net/10191/6278
http://hdl.handle.net/10191/62787a375149-612b-422c-89b6-56a3616ab104
名前 / ファイル | ライセンス | アクション |
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13_0007.pdf (976.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-04-23 | |||||
タイトル | ||||||
タイトル | He*(2 3S) penning ionization of H2S. II. Formation of the SH+(A 3Π) and H2S+(Ã 2A1) ions | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | He*(2 3S) penning ionization of H2S. II. Formation of the SH+(A 3Π) and H2S+(Ã 2A1) ions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Tokue, Ikuo
× Tokue, Ikuo× Yamasaki, Katsuyoshi× Nanbu, Shinkoh |
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著者別名 | ||||||
識別子 | 6652 | |||||
識別子Scheme | WEKO | |||||
姓名 | 徳江, 郁雄 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Emissions in the 200–750 nm region produced by the collision of He*(2 3S) with H2S were studied under single-collision conditions. The hydrogen Balmer lines and the SH+(A 3Π–X 3s∑–) and H2S+(à 2A1–X2B1) bands were assigned. The total emission cross section (σem) was evaluated to be (1.7±0.3)×10–20 m2 at a collision energy of 150 meV. The ems of the SH+(A–X) and H2S+(ÖX) bands decreased with increase in the collision energy in the 115–200 meV range, indicating that attractive forces are effective for the incident channels with regard to the formation of these species. The rotational distribution of SH+(A 3Π, ν‘= 0) is represented by a Boltzmann temperature of 870±80 K. The H2S+(à 2A1–X2B1) emission, which was assigned for the first time in the Penning ionization of H2S, primarily consists of the bending progressions. The internal populations of H2S+(Ã) were analyzed using the vibrational energies and Einstein's A coefficients calculated in this study. The details of the calculation and derived spectroscopic constants are reported in the accompanying paper, Paper I. The populations obtained for the bending vibration (ν’2) of H2S+(Ã) show an inverted distribution with a peak at ν’2= 3. This distribution is shifted lower compared that with a peak at ν’2=4–5 observed by He*(2 3S) Penning ionization electron spectroscopy and that with a peak at ν’2=6–7 predicted by the theoretical Franck–Condon factors for the H2S(X)–H2S+(Ã) ionization. The origin of the difference is discussed concerning the formation mechanism of H2S+(à 2A1). | |||||
書誌情報 |
Journal of Chemical Physics en : Journal of Chemical Physics 巻 119, 号 12, p. 5882-5888, 発行日 2003 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00219606 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00694991 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1063/1.1602064 | |||||
権利 | ||||||
権利情報 | ©2003 American Institute of Physics | |||||
著者版フラグ | ||||||
値 | publisher |