Spectra of coincident charged particles from the reactions induced by a 18 MeV He-6 beam incident on the Li-6 and Li-7 targets were measured. A strong contribution to the He-6-d spectrum may be interpreted as the He-6 quasi-free scattering off the deuteron in the Li-6 nucleus. This would then be the first observation of the quasi-free scattering of fragile radioactive nuclei on clusters in target nuclei.
Miljanic, D., Milin, M., Cherubini, S., Davinson, T., Di Pietro, A., Figuera, P., Musumarra, A., Ninane, A., Ostrowski, A. N., Pellegriti, M. G., Shotter, A. C., Soic, N., Spitaleri, C., & Zadro, M. (2006). He-6 quasi-free scattering off clusters in Li-6? Europhysics Letters : a letters journal exploring the frontiers of physics, 76(5), 801-807. https://doi.org/10.1029/epl/i2006-10344-9 (Original work published 2006)