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Muon catalyzed fusion in deuterium gas

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Abstract

We present the results of an experiment performed at PSI to investigate muon catalyzed fusion in pure deuterium gas of 5% density (LHD) at temperatures ranging from 28 K to 350 K. Using a new high pressure ionization chamber the reactions dd → n + 3He and dd → p+t were observed with 100% detection efficiency. The rates of dμd formation were measured with the absolute precision of 1% and the μd spin-flip rates with 0.5%. The temperature dependence of molecular formation and spin-flip rates display pronounced resonance structures. A preliminary fit based on the Vesman mechanism of resonant muonic molecule formation was carried out yielding a dd fusion rate of 3.5·108 s-1 and a hfs splitting energy \(\delta \varepsilon _{d\mu d} \) of 24.3 meV, both in good agreement with the theory.

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Authors and Affiliations

  1. Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland

    C. Petitjean & V.E. Markushin

  2. Petersburg Nuclear Physics Institute, Gatchina, 188350, Russia

    D.V. Balin, V.A. Ganzha, S. Kozlov, E.M. Maev, Yu.A. Misko, G.E. Petrov, G.N. Schapkin, G.G. Semenchuk, Yu.V. Smirenin, V.A. Trofimov, A.A. Vasiliev, A.A. Vorobyov & N.I. Voropaev

  3. Austrian Academy of Sciences, A-1090, Vienna, Austria

    W.H. Breunlich, B. Gartner, B. Lauss, W. Prymas & J. Zmeskal

  4. University of California and LBNL, Berkeley, CA, 94720, USA

    T. Case, K.M. Crowe & P. Kammel

  5. Technical University of Munich, D-85747, Garching, Germany

    H. Daniel, F.J. Hartmann, M. Mühlbauer & W. Schott

  6. Russian Research Centre Kurchatov Institute, Moscow, 123182, Russia

    M.P. Faifman

Authors
  1. C. Petitjean
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  2. D.V. Balin
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  3. W.H. Breunlich
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  4. T. Case
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  5. K.M. Crowe
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  6. H. Daniel
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  7. M.P. Faifman
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  8. V.A. Ganzha
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  9. B. Gartner
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  11. P. Kammel
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  12. S. Kozlov
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  13. B. Lauss
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  14. E.M. Maev
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  15. V.E. Markushin
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  16. Yu.A. Misko
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  17. M. Mühlbauer
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  18. G.E. Petrov
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  19. W. Prymas
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  20. G.N. Schapkin
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  21. W. Schott
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  22. G.G. Semenchuk
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  23. Yu.V. Smirenin
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  24. V.A. Trofimov
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  25. A.A. Vasiliev
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  26. A.A. Vorobyov
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  27. N.I. Voropaev
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  28. J. Zmeskal
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Petitjean, C., Balin, D., Breunlich, W. et al. Muon catalyzed fusion in deuterium gas. Hyperfine Interactions 118, 127–133 (1999). https://doi.org/10.1023/A:1012644821665

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