  The eikonal reaction theory (ERT) proposed lately is a method of calculating
one-neutron removal reactions at intermediate incident energies in which
Coulomb breakup is treated accurately with the continuum discretized
coupled-channels method. ERT is extended to two-neutron removal reactions. ERT
reproduces measured one- and two-neutron removal cross sections for 6He
scattering on 12C and 208Pb targets at 240 MeV/nucleon and also on a 28Si
target at 52 MeV/nucleon. For the heavier target in which Coulomb breakup is
important, ERT yields much better agreement with the measured cross sections
than the Glauber model.
