Zobrazeno 1 - 10 of 15 pro vyhledávání: '"P. W. F. LOUWRIER"'
1
Quantum Phenomena and Solvent Effects on Addition of Hydrogen Isotopes to Benzene and to Dimethylbutadiene
Autor: G. A. Brinkman, Emil Roduner, Donald J. Arseneau, David M. Garner, Donald G. Fleming, Masayoshi Senba, P. W. F. Louwrier, Ivan Reid
Publikováno v: Berichte der Bunsengesellschaft für physikalische Chemie. 94:1224-1230
Rate constants have been measured for the reaction of the light hydrogen isotope muonium with benzene and 2,3-dimethylbutadiene-1,3 in the gas phase and in several solvents. Comparison with H atom data reveals (1) appreciable kinetic isotope effects,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37554869a2bfbb4c9780857e6b7acba2
https://doi.org/10.1002/bbpc.199000008
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2
Muonium-substituted organic free radicals in liquids. Isomer distribution and end-of-track radiolytical processes determined from studies of cyclohexadienyl radicals derived from substituted benzenes
Autor: G. A. Brinkman, P. W. F. Louwrier, Emil Roduner
Publikováno v: Chemical Physics. 88:143-153
Muonium-substituted free radicals are observed by muon spin rotation when positive muons are stopped in liquid substituted benzenes. From muon precession frequencies in high external magnetic fields the isotropic muon-electron hyperfine coupling cons
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd3b403c7eb13770490855ead3351827
https://doi.org/10.1016/0301-0104(84)85110-1
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4
Muonium substituted hydrazyl radicals
Autor: P. W. F. Louwrier, Emil Roduner, C. N. M. Bakker, G. A. Brinkman
Publikováno v: Hyperfine Interactions. 32:753-756
Hyperfine coupling constants for muonium substitited hydrazyl radicals are reported. They are compared with the existing data for the hydrogen analogs. The influence of the temperature and the solvent are given.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::480604e8b4c8fcf97ef42b9e1cff92b6
https://doi.org/10.1007/bf02394981
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5
Muonium-substituted organic free radicals in liquids. Muon-electron hyperfine coupling constants and the selectivity of formation of methyl and fluorine-substituted cyclohexadienyl type radicals
Autor: G. A. Brinkman, P. W. F. Louwrier, Emil Roduner
Publikováno v: Chemical Physics. 73:117-130
Muonium-substituted free radicals are observed by muon spin rotation when positive muons are stopped in liquid methyl, and fluorine-substituted benzenes. From muon precession frequencies in high external magnetic fields the isotropic muon-electron hy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ab87583f7a89a739b297c36fed95c186
https://doi.org/10.1016/0301-0104(82)85154-9
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6
Resolved nuclear hyperfine structure of muonium centres in CuCl and GaAs by means of the avoided-level-crossing technique
Autor: M. Heming, J. W. Schneider, K. Bösiger, Emil Roduner, H. Simmler, W. Odermatt, B. Pümpin, I. M. Savić, Hugo Keller, P. W. F. Louwrier, W. Kündig, B. Schmid, Bruce D. Patterson, Ivan Reid
Publikováno v: Physics Letters A. 134:137-142
Avoided-level-crossing resonances from isotropic muonium centres interacting with neighbouring nuclear spins in powdered CuCl are reported. The prominent resonances have a complex multiline structure and are strongly temperature-dependent. In additio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0aedfb29e5e6c29da144db12a1643dc4
https://doi.org/10.1016/0375-9601(88)90951-6
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7
Relative rate constants for the formation of muonic radicals in liquid aromatic systems
Autor: Emil Roduner, G. A. Brinkman, P. W. F. Louwrier
Publikováno v: Hyperfine Interactions. 19:803-806
The distribution of muon polarization between different radicals observed in neat p-di-fluorobenzene, aniline and bromobenzene and their binary mixtures with benzene has been measured and is interpreted in terms of relative rate constants for Mu addi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::996c086c56d37f29db84ca11947dc2e0
https://doi.org/10.1007/bf02066124
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9
Pulse radiolysis study of Cu (EDTA)2− in aqueous solution in the presence of alcohols
Autor: P. W. F. Louwrier, C. N. M. Bakker, Friedhelm R. Stock, R. Buitenhuis
Publikováno v: Radiation Physics and Chemistry (1977). 16:5-10
The radiolysis of aqueous solutions of Cu EDTA 2- in the presence of a number of alcohols was studied by the pulse-radiolysis technique. After the reduction of Cu EDTA 2− by e − aq a complex is formed between Cu (I) EDTA 3− and the radicals res
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73b0f05917b1aa35693fefaaf995d540
https://doi.org/10.1016/0146-5724(80)90106-5
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10
Rate constants for the reactions of cyclohexadienyl type radicals with quinones
Autor: P. W. F. Louwrier, G. A. Brinkman, Emil Roduner
Publikováno v: Hyperfine Interactions. 19:797-802
Observation of substituted cyclohexadienyl type radicals by muon spin rotation in substituted benzene at different concentrations of added p-benzoquinone or duroquinone allows a selective determination of rate constants for the reaction of the radica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83246471ab61fc5acac252f1fb5e6294
https://doi.org/10.1007/bf02066123
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