  The cross sections are calculated for the both elastic and inelastic
scattering of 6He from 12C and 4He. A phenomenological optical potential is
used to describe the elastic scattering. 4He is taken as spherical and
inelastic couplings to the first excited states of 6He and 12C are described
with collective rotational model and coupled-channels method. Deformation
lengths for 6He and 12C are determined from semi-classical nuclear level
density model by using Laplace-like formula for the nuclear level density
parameter. The comparison of the predicted and the measured cross sections are
presented to test the applicability of nuclear level density model to the light
exotic nuclei reactions. Good agreement is achieved between the predicted and
measured cross sections.
