I=2 Pion Scattering Length with Wilson Fermions

Abstract

We present results for I=2 pion scattering length with the Wilson fermions in the quenched approximation. The finite size method presented by Lüscher 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.

arXiv commentLATTICE99(matrixelement), 3 pages, 4 eps figures

References in corpus (1)

• Elastic $\pi \pi$ scattering to two loops

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