{"paper":{"title":"$\\rho$ meson decay from the lattice","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A. Ukawa, CP-PACS Collaboration : S. Aoki, K.-I. Ishikawa, K. Kanaya, K. Sasaki, M. Fukugita, M. Okawa, N. Ishizuka, T. Yoshi\\'e, Y. Kuramashi, Y. Namekawa","submitted_at":"2006-10-03T03:10:31Z","abstract_excerpt":"We present preliminary results on the $\\rho$ meson decay width estimated from the scattering phase shift of the I=1 two-pion system. The phase shift is calculated by the finite size formula for non-zero total momentum frame (the moving frame) derived by Rummukainen and Gottlieb, using the $N_f=2$ improved Wilson fermion action at $m_\\pi/m_\\rho=0.41$ and $L=2.53 {\\rm fm}$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0610020","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}