Abstract
A simple model which treats the h-h and h-t quasifree scattering (QFS) in the 3He + 6Li interaction as a 3-body problem proved to be better than the plane wave impulse approximation (PWIA) ~. The S-wave interaction 3-body model (3BM) predicted the shape and the absolute cross section for the h-h and h-t QFS with E. = 45 MeV~ ) i while the PWIA did not reproduce the shape of the spectra, predicted the cross section larger by a factor of 15-30 and did not predict the ratio of the h-h vs. h-t QFS. We realize that the simple 3BM is inadequate (trion-trion interactions cannot be represented by S-wave forces, inelastic channels are always open for the trion-trion system and 6Li is not predominantly a h + t structure) but we suggest that it is worthwhile to investigate: a) the trion-trion QFS at higher energies to determine whether the PWIA will provide a reasonable fit to the data and whether the S-wave 3BM will be less applicable and b) the 3He + 6Li breakup in the region of phase space where short range and effective 3-body forces play a significant role. Since the trions are bound by 15.8 MeV in 6Li, features due to the effective 3-body force should be more pronounced than in weakly bound systems.
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