DECEA - Trabalhos apresentados em eventos

URI permanente para esta coleçãohttp://www.hml.repositorio.ufop.br/handle/123456789/555

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    Attenuation of the intensity within a superdeformed band.
    (2001) Sargeant, Adam James; Hussein, Mahir Saleh; Pato, Mauricio Porto; Takigawa, Noboru; Ueda, Masahito
    The attenuation of the intra-band intensity of a superdeformed band which results from mixing with normally deformed configurations is calculated using reaction theory. It is found that the sharp increase of the attenuation is mostly due to the tunnelling through a spin dependent barrier and not to the chaotic nature of the normally deformed states.
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    Evaluation of effective astrophysical S factor for non-resonant reactions.
    (2001) Ueda, Masahito; Sargeant, Adam James; Pato, Mauricio Porto; Hussein, Mahir Saleh
    We derived analytic formulas of the effective astrophysical S factor, Seff, for a non- resonant reaction of charged particles using a Taylor expansion of the astrophysical S factor, S(E), and a uniform approximation. The formulas will be able to generate more accurate approximations to Seff than previous ones.