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Key resonant states in the8Li(α,n)11B reaction in the inhomogeneous big bang models

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

The resonant states in the key reaction8Li(α,n)11B for the inhomogeneous Big Bang Models were studied experimentally through the9Be(α,p)12B reaction at 64 MeV. This reaction is found to excite all the resonances of interest in12B. The most crucial resonant state at 10.572 MeV in12B (0.572 MeV above the α threshold) was found to have Γtot≤20±10 keV and Jπ=(1−), suggesting that the S-factor of the (α,n) process should be larger than that obtained before.

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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

  2. Department of Physics, The Ohio State University, OH43210, Columbus, USA

    R. Boyd

  3. Cyclotron and Radio-Isotope Center, Tohoku University, 980, Sendai, Japan

    M. Ohura & H. Orihara

  4. Department of Physics, Tokyo Institute of Technology, Meguro, 152, Tokyo, Japan

    S. Yun, H. Toyokawa, M. Yosoi & H. Ohnuma

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

    I. Tanihata

  6. Department of Physics, Tokyo Metropolitan University, Setagaya, 158, Tokyo, Japan

    T. Kajino

Authors
  1. S. Kubono
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  2. R. Boyd
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  3. N. Ikeda
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  4. M. H. Tanaka
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  5. T. Nomura
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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. S. Yun
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  11. H. Toyokawa
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  12. M. Yosoi
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  13. H. Ohnuma
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  14. I. Tanihata
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  15. T. Kajino
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Kubono, S., Boyd, R., Ikeda, N. et al. Key resonant states in the8Li(α,n)11B reaction in the inhomogeneous big bang models. Z. Physik A - Hadrons and Nuclei 338, 459–460 (1991). https://doi.org/10.1007/BF01295776

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  • DOI: https://doi.org/10.1007/BF01295776

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