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    Theoretical study of the α + d → 6Li + γ astrophysical capture process in a three-body model

    Access Status
    Fulltext not available
    Authors
    Tursunov, E.
    Kadyrov, Alisher
    Turakulov, S.
    Bray, Igor
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Tursunov, E. and Kadyrov, A. and Turakulov, S. and Bray, I. 2016. Theoretical study of the α + d → 6Li + γ astrophysical capture process in a three-body model. Physical Review C: Nuclear Physics. 94 (1): Article ID 015801.
    Source Title
    Physical Review C: Nuclear Physics
    DOI
    10.1103/PhysRevC.94.015801
    ISSN
    1089-490X
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/32528
    Collection
    • Curtin Research Publications
    Abstract

    The astrophysical capture process α + d → 6Li is studied in a three-body model. The initial state is factorized into the deuteron bound state and the (α + d)-scattering state. The final nucleus 6Li(1+) is described as a threebody bound state α + n + p in the hyperspherical Lagrange-mesh method. The contribution of the E1-transition operator from the initial isosinglet states to the isotriplet components of the final state is estimated to be negligible. An estimation of the forbidden E1 transition to the isosinglet components of the final state is comparable with the corresponding results of the two-body model. However, the contribution of the E2-transition operator is found to be much smaller than the corresponding estimations of the two-body model. The three-body model perfectly matches the new experimental data of the LUNA Collaboration with the spectroscopic factor of 2.586 estimated from the bound-state wave functions of 6Li and a deuteron.

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