The intramultiplet relaxation of Cd(53P2) by H 2 and D2

Hironobu Umemoto; Akira Masaki; Toshiharu Ohnuma; Kazuya Kuwahara; Youichi Wada; Fuminori Misaizu; Kiyokazu Fuke

doi:10.1063/1.460129

The intramultiplet relaxation of Cd(5³P₂) by H ₂ and D₂

Hironobu Umemoto, Akira Masaki, Toshiharu Ohnuma, Kazuya Kuwahara, Youichi Wada, Fuminori Misaizu, Kiyokazu Fuke

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Abstract

The deactivation processes of Cd(5³P₂) by H ₂ and D₂ were studied by employing pulsed laser techniques. The cross sections for the intramultiplet relaxation to produce Cd(5³P₁) and Cd(5³P₀) were determined as follows: Cd(5³P₂) + H₂ → Cd(5³P₁) + H₂; 6.3, Cd(5³P ₂) + H₂ → Cd(5³P₀) + H ₂; 1.0, Cd(5³P₂) + D₂ → Cd(5³P₁) + D₂; 4.4, Cd(5³P ₂) + D₂ → Cd(5³P₀) + D ₂; 0.9, in units of 10^-16 cm² at 630 K. The cross sections for the overall deactivation of Cd(5³P₂) by H₂ and D₂ were determined to be 9.8 × 10 ^-16 cm² and 6.9 × 10^-16 cm², respectively. These values are compared with the calculated results based on a semiclassical curve crossing mechanism. It is suggested that electronic-to-rotational energy transfer without sharp resonances plays an important role in the deactivation of Cd(5³P₂).

Original language	English
Pages (from-to)	7951-7957
Number of pages	7
Journal	The Journal of Chemical Physics
Volume	94
Issue number	12
DOIs	https://doi.org/10.1063/1.460129
Publication status	Published - 1991 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "The intramultiplet relaxation of Cd(53P2) by H 2 and D2 ",

abstract = "The deactivation processes of Cd(53P2) by H 2 and D2 were studied by employing pulsed laser techniques. The cross sections for the intramultiplet relaxation to produce Cd(53P1) and Cd(53P0) were determined as follows: Cd(53P2) + H2 → Cd(53P1) + H2; 6.3, Cd(53P 2) + H2 → Cd(53P0) + H 2; 1.0, Cd(53P2) + D2 → Cd(53P1) + D2; 4.4, Cd(53P 2) + D2 → Cd(53P0) + D 2; 0.9, in units of 10-16 cm2 at 630 K. The cross sections for the overall deactivation of Cd(53P2) by H2 and D2 were determined to be 9.8 × 10 -16 cm2 and 6.9 × 10-16 cm2, respectively. These values are compared with the calculated results based on a semiclassical curve crossing mechanism. It is suggested that electronic-to-rotational energy transfer without sharp resonances plays an important role in the deactivation of Cd(53P2).",

author = "Hironobu Umemoto and Akira Masaki and Toshiharu Ohnuma and Kazuya Kuwahara and Youichi Wada and Fuminori Misaizu and Kiyokazu Fuke",

year = "1991",

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T1 - The intramultiplet relaxation of Cd(53P2) by H 2 and D2

AU - Umemoto, Hironobu

AU - Masaki, Akira

AU - Ohnuma, Toshiharu

AU - Kuwahara, Kazuya

AU - Wada, Youichi

AU - Misaizu, Fuminori

AU - Fuke, Kiyokazu

PY - 1991/1/1

Y1 - 1991/1/1

N2 - The deactivation processes of Cd(53P2) by H 2 and D2 were studied by employing pulsed laser techniques. The cross sections for the intramultiplet relaxation to produce Cd(53P1) and Cd(53P0) were determined as follows: Cd(53P2) + H2 → Cd(53P1) + H2; 6.3, Cd(53P 2) + H2 → Cd(53P0) + H 2; 1.0, Cd(53P2) + D2 → Cd(53P1) + D2; 4.4, Cd(53P 2) + D2 → Cd(53P0) + D 2; 0.9, in units of 10-16 cm2 at 630 K. The cross sections for the overall deactivation of Cd(53P2) by H2 and D2 were determined to be 9.8 × 10 -16 cm2 and 6.9 × 10-16 cm2, respectively. These values are compared with the calculated results based on a semiclassical curve crossing mechanism. It is suggested that electronic-to-rotational energy transfer without sharp resonances plays an important role in the deactivation of Cd(53P2).

AB - The deactivation processes of Cd(53P2) by H 2 and D2 were studied by employing pulsed laser techniques. The cross sections for the intramultiplet relaxation to produce Cd(53P1) and Cd(53P0) were determined as follows: Cd(53P2) + H2 → Cd(53P1) + H2; 6.3, Cd(53P 2) + H2 → Cd(53P0) + H 2; 1.0, Cd(53P2) + D2 → Cd(53P1) + D2; 4.4, Cd(53P 2) + D2 → Cd(53P0) + D 2; 0.9, in units of 10-16 cm2 at 630 K. The cross sections for the overall deactivation of Cd(53P2) by H2 and D2 were determined to be 9.8 × 10 -16 cm2 and 6.9 × 10-16 cm2, respectively. These values are compared with the calculated results based on a semiclassical curve crossing mechanism. It is suggested that electronic-to-rotational energy transfer without sharp resonances plays an important role in the deactivation of Cd(53P2).

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The intramultiplet relaxation of Cd(5³P₂) by H ₂ and D₂

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