I=2 pion scattering length with Wilson Fermions
- JLQCD Collaboration,
- Aoki, S
- Fukugita, M
- Hashimoto, S
- Ishikawa, Kenichi
- Ishizuka, N
- Iwasaki, Y
- Kamaya, K
- Kaneda, T
- Kaya, S
- Kuramashi, Y
- Okawa, Masanori
- Onogi, T
- Tominaga, S
- Tsutsui, N
- Ukawa, A
- Yamada, N
- Yoshié, T
Publication date
January 2000
DOI Publisher
Elsevier BV Journal
Nuclear Physics B - Proceedings SupplementsAbstract
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 β = 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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