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I=2 pi-pi scattering length with dynamical overlap fermion

Presenter: Takuya Yagi — University of Tokyo

Takuya Yagi, Shoji Hashimoto, Osamu Morimatsu, Munehisa Ohtani

We report on the results of our calculation of the I=2 pipi scattering length using Neuberger's overlap fermion for both sea and valence quarks. The calculation is performed on the gauge configurations generated by the JLQCD collaboration on a 163x32 lattice at a lattice spacing ∼0.12 fm.