Muon capture by 3He nuclei followed by proton and deuteron production

V. M. Bystritsky, V. F. Boreiko, M. Filipowicz, V. V. Gerasimov, O. Huot, P. E. Knowles, F. Mulhauser, V. N. Pavlov, L. A. Schaller, H. Schneuwly, V. G. Sandukovsky, V. A. Stolupin, V. P. Volnykh, and J. Woźniak
Phys. Rev. A 69, 012712 – Published 29 January 2004
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Abstract

The paper describes an experiment aimed at studying muon capture by 3He nuclei in pure 3He and D2+3He mixtures at various densities. Energy distributions of protons and deuterons produced via μ+3Hep+n+n+νμ and μ+3Hed+n+νμ are measured for the energy intervals 10–49 MeV and 13–31 MeV, respectively. Muon capture rates λcapp(ΔEp) and λcapd(ΔEd) are obtained using two different analysis methods. The least-squares methods give λcapp=(36.7±1.2)s1, λcapd=(21.3±1.6)s1. The Bayes theorem gives λcapp=(36.8±0.8)s1, λcapd=(21.9±0.6)s1. The experimental differential capture rates, dλcapp(Ep)/dEp and dλcapd(Ed)/dEd, are compared with theoretical calculations performed using the plane-wave impulse approximation with the realistic nearest-neighbor interaction Bonn B potential. Extrapolation to the full energy range yields total proton and deuteron capture rates in good agreement with former results.

  • Received 27 July 2003

DOI:https://doi.org/10.1103/PhysRevA.69.012712

©2004 American Physical Society

Authors & Affiliations

V. M. Bystritsky1,*, V. F. Boreiko1, M. Filipowicz2, V. V. Gerasimov1, O. Huot3, P. E. Knowles3, F. Mulhauser3, V. N. Pavlov1, L. A. Schaller3, H. Schneuwly3, V. G. Sandukovsky1, V. A. Stolupin1, V. P. Volnykh1, and J. Woźniak4

  • 1Joint Institute for Nuclear Research, Dubna 141980, Russia
  • 2Faculty of Fuels and Energy, University of Mining and Metallurgy, PL-30059 Cracow, Poland
  • 3Department of Physics, University of Fribourg, CH-1700 Fribourg, Switzerland
  • 4Faculty of Physics and Nuclear Techniques, University of Mining and Metallurgy, PL-30059 Cracow, Poland

  • *Corresponding author. Electronic address: bystvm@nusun.jinr.ru

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Vol. 69, Iss. 1 — January 2004

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