Navegando por Autor "Johnson, R. C."

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    Symmetrisation in the semiclassical theory of Coulomb excitation.
    (1997) Sargeant, Adam James; Johnson, R. C.; Tostevin, J. A.
    Corrections to the Alder and Winther semiclassical cross section for first order Coulomb excitation are considered through the Sukumar and Brink systematic expansion of the propagator in inverse powers of Sommerfeld's parameter, r/. The zeroth order term is that provided by unsymmetrised Alder-Winther theory and it is shown that to order 1/~7 the only type of correction is one corresponding to energy symmetrisation.