State-Selected Reaction of Muonium with Vibrationally Excited H2

被引：22

作者：

Bakule, Pavel ^{[2
]}

Fleming, Donald G. ^{[1
,3
]}

Sukhorukov, Oleksandr ^{[4
]}

Ishida, Katsuhiko ^{[5
]}

Pratt, Francis ^{[2
]}

Momose, Takamasa ^{[3
]}

Torikai, Eiko ^{[6
]}

Mielke, Steven L. ^{[7
,8
]}

Garrett, Bruce C. ^{[9
]}

Peterson, Kirk A. ^{[10
]}

Schatz, George C. ^{[11
]}

Truhlar, Donald G. ^{[7
,8
]}

机构：

[1] TRIUMF, Vancouver, BC V6T 2A3, Canada

[2] RIKEN, RAL Muon Facil, Rutherford Appleton Lab, Wako, Saitama, Japan

[3] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada

[4] Univ Alberta, Dept Chem, Edmonton, AB T6G 2G2, Canada

[5] RIKEN, RIKEN Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan

[6] Yamanashi Univ, Fac Engn, Kofu, Yamanashi 4008511, Japan

[7] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA

[8] Univ Minnesota, Supercomp Inst, Minneapolis, MN 55455 USA

[9] Pacific NW Natl Lab, Richland, WA 99352 USA

[10] Washington State Univ, Dept Chem, Pullman, WA 99164 USA

[11] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2012年 / 3卷 / 19期

基金：

加拿大自然科学与工程研究理事会; 日本学术振兴会; 美国国家科学基金会;

关键词：

CHEMICAL-REACTION DYNAMICS; POTENTIAL-ENERGY SURFACES; THERMAL RATE CONSTANTS; SCATTERING CALCULATIONS; H+H-2 REACTION; REACTION-RATES; GAS-PHASE; RELAXATION; KINETICS; ATOM;

D O I：

10.1021/jz3011496

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report a new advance in the study of muonium (Mu) reactivity; specifically, we report the rate constant for the Mu + H-2(vibrational quantum number n = 1) reaction determined by measurements at 300 K and by converged quantum mechanical calculations. Comparisons are made with earlier results for D + H-2 (n = 1) and with the corresponding thermal reaction rates. The measurements are a sensitive probe of the high-curvature region in the entrance valley of the potential energy surface (PES) and thus provide a qualitatively different probe of the PES than that provided by any previous experiment.

引用

页码：2755 / 2760

页数：6

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