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Resonant Formation of dμt Molecules in Deuterium: An Atomic Beam Measurement of Muon Catalyzed dt Fusion

M. C. Fujiwara, A. Adamczak, J. M. Bailey, G. A. Beer, J. L. Beveridge, M. P. Faifman, T. M. Huber, P. Kammel, S. K. Kim, P. E. Knowles, A. R. Kunselman, M. Maier, V. E. Markushin, G. M. Marshall, C. J. Martoff, G. R. Mason, F. Mulhauser, A. Olin, C. Petitjean, T. A. Porcelli, J. Wozniak, and J. Zmeskal (TRIUMF Muonic Hydrogen Collaboration)
Phys. Rev. Lett. 85, 1642 – Published 21 August 2000
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Abstract

Resonant formation of dμt molecules in collisions of muonic tritium ( μt) on D2 was investigated using a beam of μt atoms, demonstrating a new direct approach in muon catalyzed fusion studies. Strong epithermal resonances in dμt formation were directly revealed for the first time. From the time-of-flight analysis of 2036±116 dt fusion events, a formation rate consistent with 0.73±(0.16)meas±(0.09)model times the theoretical prediction was obtained. For the largest peak at a resonance energy of 0.423±0.037eV, this corresponds to a rate of (7.1±1.8)×109s1, more than an order of magnitude larger than those at low energies.

  • Received 29 February 2000

DOI:https://doi.org/10.1103/PhysRevLett.85.1642

©2000 American Physical Society

Authors & Affiliations

M. C. Fujiwara1,2,*, A. Adamczak3, J. M. Bailey4, G. A. Beer5, J. L. Beveridge2, M. P. Faifman6, T. M. Huber7, P. Kammel8, S. K. Kim9, P. E. Knowles5,†, A. R. Kunselman10, M. Maier5, V. E. Markushin11, G. M. Marshall2, C. J. Martoff12, G. R. Mason5, F. Mulhauser2,‡, A. Olin2,5, C. Petitjean11, T. A. Porcelli5,§, J. Wozniak13, and J. Zmeskal14 (TRIUMF Muonic Hydrogen Collaboration)

  • 1Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada V6T 2A6
  • 2TRIUMF, Vancouver, Canada V6T 2A3
  • 3Institute of Nuclear Physics, 31-342 Krakow, Poland
  • 4Chester Technology, Chester CH4 7QH, England
  • 5Department of Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada V8W 2Y2
  • 6Russian Research Center, Kurchatov Institute, Moscow 123182, Russia
  • 7Department of Physics, Gustavus Adolphus College, St. Peter, Minnesota 56082
  • 8Department of Physics and Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720
  • 9Department of Physics, Jeonbuk National University, Jeonju City 560-756, Korea
  • 10Department of Physics and Astronomy, University of Wyoming, Laramie, Wyoming 82071-3905
  • 11Paul Scherrer Institute, CH-5232 Villigen, Switzerland
  • 12Department of Physics, Temple University, Philadelphia, Pennsylvania 19122
  • 13Faculty of Physics and Nuclear Techniques, University of Mining and Metallurgy, 30-059 Krakow, Poland
  • 14Institute for Medium Energy Physics, Austrian Academy of Sciences, A-1090 Vienna, Austria

  • *Present address: Department of Physics, Faculty of Science, University of Tokyo, Hongo, Tokyo 113-0033, Japan. Email address: Makoto.Fujiwara@cern.ch
  • Present address: Institute of Physics, University of Fribourg, CH-1700 Fribourg, Switzerland.
  • §Present address: Department of Physics, University of Northern British Columbia, Prince George, BC, Canada.

See Also

One Less Bottleneck for Fusion

Phys. Rev. Focus 6, 7 (2000)

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Vol. 85, Iss. 8 — 21 August 2000

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