I=2 pion scattering length and phase shift with Wilson fermions
/ Authors
C. S. Aoki, R. Burkhalter, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, V. Lesk
and 4 more authors
/ Abstract
Abstract We present preliminary results of scattering length and phase shift for I=2 S-wave ππ system with the Wilson fermions in the quenched approximation. The finite size method presented by Luscher is employed, and calculations are carried out at β = 5.9 on a 24 3 × 60 and 32 3 × 60 lattice.