arxiv: hep-lat/9911025 · v1 · pith:ARP2KRBDnew · submitted 1999-11-22 · ✦ hep-lat

I=2 Pion Scattering Length with Wilson Fermions

JLQCD Collaboration: S. Aoki , M. Fukugita , S. Hashimoto , K-I. Ishikawa , N. Ishizuka , Y. Iwasaki , K. Kanaya , T. Kaneda

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S. Kaya Y. Kuramashi M. Okawa T. Onogi S. Tominaga N. Tsutsui A. Ukawa N. Yamada T. Yoshi\'e

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classification ✦ hep-lat

keywords fermionslengthpionscatteringwilsonagreementapproximationbeta

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We present results for I=2 pion scattering length with the Wilson fermions in the quenched approximation. The finite size method presented by L\"uscher is employed, and calculations are carried out at $\beta=5.9$, 6.1, and 6.3. In the continuum limit, we obtain a result in reasonable agreement with the experimental value.

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I=2 Pion Scattering Length with Wilson Fermions

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