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Analyses of continuum spectra of light-ion reactions, in terms of multistep direct reaction methods are discussed. The formulation used in the calculations is presented first, and is followed by several examples which show that this method works rather well in a variety of cases. Comparison with related theories is also made.NUCLEAR REACTIONS Multistep direct reaction method, calculations of cross sections, and polarizations of continuum spectra of reactions induced by light ions.

It is shown that massive transfer reactions emitting energetic light particles can be described in terms of two-step processes, in which breakup of the projectile takes place first, followed by an absorption of the massive partner of the broken-up pair by the target.PACS numbers: 25.70. Be, 24.50.+g

A breakup-fusion description is used to calculate continuum spectra of the 6 Ho(h, p) and (h, d) reactions with an incident energy of 100 MeV. It is shown that the high energy part of the observed spectra up to the peak is fitted very well by the calculations, but that the lower energy part is somewhat underestimated. Possible mechanisms that are responsible for the additional lower energy part are discussed.

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