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Muonium chemistry: kinetics of the gas phase reaction Mu + F/sub 2/. -->. MuF + F from 300 to 400 K

Abstract

The MSR (muonium spin rotation) technique was used to measure the chemical reaction rate for ..mu.. + F/sub 2/ ..-->.. ..mu..F + F in N/sub 2/ moderator at approximately 1 atm from 295 to 383 K giving the Arrhenius expression: log/sub 10/k (l/mole s) = (10.83+-0.20) - (200+-50)/T, with k = (1.46+-0.11) X 10/sup 10/ l/mole s at 300 K. This is a least 6.8 times the room temperature rate constant for the analogous H atom reaction. The measured activation energy and enhancement over the H reaction rate are indicative of significant tunnelling in the Mu reaction, in agreement with the recent collinear quantum mechanical calculations of Connor et al.
Authors:
Garner, D M; Fleming, D G; Brewer, J H [1] 
  1. British Columbia Univ., Vancouver (Canada). Faculty of Medicine
Publication Date:
Apr 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-09-394254; EDB-78-122003
Resource Relation:
Journal Name: Chem. Phys. Lett.; (Netherlands); Journal Volume: 55:1
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; FLUORINE; MUONIC MOLECULES; CHEMICAL REACTION KINETICS; MUONS PLUS; ACTIVATION ENERGY; ATOM-MOLECULE COLLISIONS; ATOMS; FLUORIDES; MEDIUM TEMPERATURE; MUONIUM; ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; ATOM COLLISIONS; COLLISIONS; ELEMENTARY PARTICLES; ELEMENTS; ENERGY; FERMIONS; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; HALOGENS; KINETICS; LEPTONS; MOLECULE COLLISIONS; MOLECULES; MUONS; NONMETALS; REACTION KINETICS; 640303* - Atomic, Molecular & Chemical Physics- Positronium, Muonium, & Muonic & Mesic Atoms & Molecules
OSTI ID:
6949688
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: CHPLB
Submitting Site:
INIS
Size:
Pages: 163-167
Announcement Date:
Sep 01, 1978

Citation Formats

Garner, D M, Fleming, D G, and Brewer, J H. Muonium chemistry: kinetics of the gas phase reaction Mu + F/sub 2/. -->. MuF + F from 300 to 400 K. Netherlands: N. p., 1978. Web. doi:10.1016/0009-2614(78)85158-6.
Garner, D M, Fleming, D G, & Brewer, J H. Muonium chemistry: kinetics of the gas phase reaction Mu + F/sub 2/. -->. MuF + F from 300 to 400 K. Netherlands. https://doi.org/10.1016/0009-2614(78)85158-6
Garner, D M, Fleming, D G, and Brewer, J H. 1978. "Muonium chemistry: kinetics of the gas phase reaction Mu + F/sub 2/. -->. MuF + F from 300 to 400 K." Netherlands. https://doi.org/10.1016/0009-2614(78)85158-6.
@misc{etde_6949688,
title = {Muonium chemistry: kinetics of the gas phase reaction Mu + F/sub 2/. -->. MuF + F from 300 to 400 K}
author = {Garner, D M, Fleming, D G, and Brewer, J H}
abstractNote = {The MSR (muonium spin rotation) technique was used to measure the chemical reaction rate for ..mu.. + F/sub 2/ ..-->.. ..mu..F + F in N/sub 2/ moderator at approximately 1 atm from 295 to 383 K giving the Arrhenius expression: log/sub 10/k (l/mole s) = (10.83+-0.20) - (200+-50)/T, with k = (1.46+-0.11) X 10/sup 10/ l/mole s at 300 K. This is a least 6.8 times the room temperature rate constant for the analogous H atom reaction. The measured activation energy and enhancement over the H reaction rate are indicative of significant tunnelling in the Mu reaction, in agreement with the recent collinear quantum mechanical calculations of Connor et al.}
doi = {10.1016/0009-2614(78)85158-6}
journal = []
volume = {55:1}
journal type = {AC}
place = {Netherlands}
year = {1978}
month = {Apr}
}