Role of resonance states of muonic molecule in muon catalyzed fusion

DOI Web Site 参考文献20件 オープンアクセス
  • Okutsu Kenichi
    Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza-Aoba, Aoba, Sendai, Miyagi 980–8578, Japan
  • Yamashita Takuma
    Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza-Aoba, Aoba, Sendai, Miyagi 980–8578, Japan Institute for Excellence in Higher Education, Tohoku University, 41 Kawauchi, Aoba, Sendai, Miyagi 980–8576, Japan
  • Kino Yasushi
    Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza-Aoba, Aoba, Sendai, Miyagi 980–8578, Japan
  • Miyashita Konan
    Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza-Aoba, Aoba, Sendai, Miyagi 980–8578, Japan
  • Yasuda Kazuhiro
    Department of Chemistry, Graduate School of Science, Tohoku University, 6–3 Aramaki Aza-Aoba, Aoba, Sendai, Miyagi 980–8578, Japan
  • Oka Toshitaka
    Nuclear Science and Engineering Center, Japan Atomic Energy Agency, 2–4 Shirakara, Tokai-mura, Naka, Ibaraki 319–1195, Japan
  • Okada Shinji
    Department of Innovative Energy Science and Engineering, Graduate School of Engineering, 1200 Matsumoto-cho, Chubu University, Kasugai, Aichi 487–8501, Japan
  • Sato Motoyasu
    Department of Innovative Energy Science and Engineering, Graduate School of Engineering, 1200 Matsumoto-cho, Chubu University, Kasugai, Aichi 487–8501, Japan

抄録

<p>Muon catalyzed fusion (μCF) is a cyclic reaction where a negatively charged muon itself acts like a catalyst of nuclear fusion between hydrogen isotopes. In the μCF reaction, muon transfer from deuteron to triton and muonic molecular formation are rate-limiting processes. In this work, we have investigated the role of resonance states of muonic molecule in the μCF which affects the muonic deuterium atom population. Solving simultaneous rate equations numerically by the fourth-order Runge-Kutta method, we determined the muonic molecular formation rate so that the number of fusion events reproduces a latest experimental result. It is revealed that the resonance states play a role to enhance the fusion rate by accelerating the de-excitation of the muonic atoms.</p>

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