Stefan Meyer Institute for subatomic Physics SMI

Breitenfurt bei Wien, Austria

Stefan Meyer Institute for subatomic Physics SMI

Breitenfurt bei Wien, Austria
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Balin D.V.,RAS Petersburg Nuclear Physics Institute | Ganzha V.A.,RAS Petersburg Nuclear Physics Institute | Kozlov S.M.,RAS Petersburg Nuclear Physics Institute | Maev E.M.,RAS Petersburg Nuclear Physics Institute | And 22 more authors.
Physics of Particles and Nuclei | Year: 2011

Muon catalyzed dd fusion in D2 and HD gases in the temperature range from 28 to 350 K was investigated in a series of experiments based on a time-projection ionization chamber operating with pure hydrogen. All main observables in this reaction chain were measured with high absolute precision including the resonant and non-resonant ddμ formation rates, the rate for hyperfine transitions in dμ atoms, the branching ratio of the two charge symmetric fusion channels 3He + n and t + p and the muon sticking probability. The report presents the final analysis of the data together with a comprehensive comparison with calculations based on recent μCF theories. The energy of the loosely bound ddμ state with quantum numbers J = 1, ν = 1, which is central to the mechanism of resonant molecule formation, is extracted with precision e{open}11(fit) = -1. 9651(7) eV. in impressive agreement with the latest theoretical results ε11(theory) = -1. 9646 eV. © 2011 Pleiades Publishing, Ltd.

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