  We discuss effects of pairing correlation on quasi-particle resonance. We
analyze in detail how the width of low-lying quasi-particle resonance is
governed by the pairing correlation in the neutron drip-line nuclei. We
consider the 46Si + n system to discuss low-lying p wave quasi-particle
resonance. Solving the Hartree-Fock-Bogoliubov equation in the coordinate space
with scattering boundary condition, we calculate the phase shift, the elastic
cross section, the resonance width and the resonance energy. We found that the
pairing correlation has an effect to reduce the width of quasi-particle
resonance which originates from a particle-like orbit in weakly bound nuclei.
