Angular distribution spectator stripping

As mentioned previously, the modified spectator stripping model (polarization model) of Herman et al. [103] explains the velocity distribution of products very well but does not predict the angular distribution, whereas the DIPR model explains both. Thus there had been no full comparison between the two models until Chang and Light [113] refined and extended the polarization model to yield the angular distribution of products as well. 

Passing to direct reactions, the stripping reactions are more readily treated theoretically than rebound reactions. In particular, it has been found that in many stripping reactions of the type A + BC AB + C the transfer of atom B from molecule BC to AB does not involve recoil. Por such spectator-stripping reactions (C is the spectator), angular and energy distributions of products can be readily calculated, thus permitting a simple verification of the assumption on the reaction mechanism. 

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