We analyze Li6 elastic scattering in a wide range of incident energies (Ein), assuming the n+p+α+target four-body model and solving the dynamics with the four-body version of the continuum-discretized coupled-channels method (CDCC). Four-body CDCC reproduces the experimental data well with no adjustable parameter for Li6+Bi209 scattering at Ein=24-50 MeV and Li6+Pb208 scattering at Ein=29-210 MeV. In the wide Ein range, Li6 breakup is significant and provides repulsive corrections to the folding potential. In Li6 elastic scattering, as an interesting property, Li6 is mainly broken up into two particles d and α, and hardly into three particles n, p, and α. We investigate what causes this dα dominance.
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