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Decay properties of the key resonant states in8Li(α, n)11B for primordial nucleosynthesis

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

The particle decay property of the key resonant states in the reaction8Li(α,n)11B for the inhomogeneous big bang models was studied experimentally. The sum of the branching ratios of the 10.572 MeV state for the neutron decays to the excited states in11B is as large as for the ground state, indicating that the neutron decays to excited states are crucial and enhance the reaction rate for heavy element synthesis considerably.

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Authors and Affiliations

  1. Institute for Nuclear Study, University of Tokyo, Tanashi, 188, Tokyo, Japan

    S. Kubono, N. Ikeda, M. H. Tanaka, T. Nomura, I. Katayama, Y. Fuchi & H. Kawashima

  2. The Cyclotron and Radioisotope Center, Tohoku University, 980, Sendai, Japan

    M. Ohura & H. Orihara

  3. Department of Physics, Tokyo Institute of Technology, Megro, 152, Tokyo, Japan

    C. C. Yun, Y. Tajima, M. Yosoi & H. Ohnuma

  4. Tandem Accelerator Center, University of Tsukuba, Tsukuba, 305, Ibaraki, Japan

    H. Toyokawa

  5. College of General Education, Osaka University, Toyonaka, 560, Osaka, Japan

    H. Miyatake & T. Shimoda

  6. Department of Physics, Ohio State University, 43210, Columbus, OH, USA

    R. N. Boyd

  7. RIKEN, Wako, 351-01, Saitama, Japan

    T. Kubo & I. Tanihata

  8. Department of Physics, Tokyo Metropolitan University, Hachiohji, 192, Tokyo, Japan

    T. Kajino

Authors
  1. S. Kubono
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  2. N. Ikeda
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  3. M. H. Tanaka
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  4. T. Nomura
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  5. I. Katayama
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  6. Y. Fuchi
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  7. H. Kawashima
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  8. M. Ohura
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  9. H. Orihara
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  10. C. C. Yun
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  11. Y. Tajima
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  12. M. Yosoi
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  13. H. Ohnuma
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  14. H. Toyokawa
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  15. H. Miyatake
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  16. T. Shimoda
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  17. R. N. Boyd
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  18. T. Kubo
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  19. I. Tanihata
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  20. T. Kajino
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Kubono, S., Ikeda, N., Tanaka, M.H. et al. Decay properties of the key resonant states in8Li(α, n)11B for primordial nucleosynthesis. Z. Physik A - Hadrons and Nuclei 341, 121–122 (1991). https://doi.org/10.1007/BF01281284

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  • DOI: https://doi.org/10.1007/BF01281284

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