The PSI experiments on muon-catalyzed pt fusion |
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| Authors: | F J Hartmann P Baumann H Daniel T von Egidy S Grunewald R Lipowsky E Moser W Schott P Ackerbauer W H Breunlich M Fuchs M Jeitler P Kammel J Marton N Nägele J Werner J Zmeskal H Bossy K M Crowe R H Sherman K Lou C Petitjean V E Markushin |
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| Institution: | (1) Physik-Department, Technische Universität München, D-85747 Garching, Germany;(2) Österreichische Akademie der Wissenschaften, Institut für Mittelenergiephysik, A-1090 Vienna, Austria;(3) Lawrence Berkeley Laboratory, 94720 Berkeley, CA, USA;(4) Los Alamos National Laboratory, 87545 Los Alamos, NM, USA;(5) Paul Scherrer Institut, CH-5232 Villigen, Switzerland;(6) Kurchatov Atomic Energy Institute, 123182 Moscow, Russia |
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| Abstract: | The experiments on pt fusion performed at Paul Scherrer Institut, Villigen, Switzerland, are described. Liquid triple mixtures of protium, deuterium and tritium with low concentrations on deuterium and tritium were used. Gamma rays, X-rays, neutrons and, for the first time, conversion muons, were measured. Preliminary results are: Rate for spin flip from the triplet to the singlet state of t (1s),  10=(1.0±0.2) × 103s–1; rate for muon-catalyzed pt fusion from the (I=1) nuclear-spin state,
pt
f
(I=1)=0.07±0.01s–1; and the molecular formation rate,
pt
m
=(7.5±1.3)s–1 (all normalized to liquid hydrogen density). |
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