A recent set of light ion experiments are analyzed using the Green's function method of solving the Boltzmann equation for ions of high charge and energy (the GRNTRN transport code) and the NUCFRG2 fragmentation database generator code. Although the NUCFRG2 code reasonably represents the fragmentation of heavy ions, the effects of light ion fragmentation requires a more detailed nuclear model including shell structure and short range correlations appearing as tightly bound clusters in the light ion nucleus. The most recent NTJCFRG2 code is augmented with a quasielastic alpha knockout model and semiempirical adjustments (up to 30 percent in charge removal) in the fragmentation process allowing reasonable agreement with the experiments to be obtained. A final resolution of the appropriate cross sections must await the full development of a coupled channel reaction model in which shell structure and clustering can be accurately evaluated.


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    Title :

    Transport of Light Ions in Matter


    Contributors:
    Wilson, J. W. (author) / Cucinotta, F. A. (author) / Tai, H. (author) / Shinn, J. L. (author) / Chun, S. Y. (author) / Tripathi, R. K. (author) / Sihver, L. (author)

    Published in:

    Publication date :

    1998-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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