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Taniguchi","submitted_at":"2007-04-16T04:47:14Z","abstract_excerpt":"We calculate the light meson spectrum and the light quark masses by lattice QCD simulation, treating all light quarks dynamically and employing the Iwasaki gluon action and the nonperturbatively O(a)-improved Wilson quark action. The calculations are made at the squared lattice spacings at an equal distance a^2~0.005, 0.01 and 0.015 fm^2, and the continuum limit is taken assuming an O(a^2) discretization error. The light meson spectrum is consistent with experiment. The up, down and strange quark masses in the \\bar{MS} scheme at 2 GeV are \\bar{m}=(m_{u}+m_{d})/2=3.55^{+0.65}_{-0.28} MeV and m_"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0704.1937","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2007-04-16T04:47:14Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"519cae14564a081424e596cb2a8904419f688a4c7ea17650dc1714185004f20e","abstract_canon_sha256":"79a2431c1cebbc0eabd76e4e413d7f9db855d40a9ed12c2028cb1423042a9f4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:12.505437Z","signature_b64":"bu/g9j+Oj8yC1kpqr4x+igWwptraN1IxePIAYJRFWDkn66BOY1tzt6q0w6oyahYVRrldkUrTVGIZO3FEIecLBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60297afae0331daaec447676dd27b8f1403a1cf31cb1f500731643f351371af3","last_reissued_at":"2026-05-18T03:48:12.504712Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:12.504712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Light quark masses from unquenched lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"hep-lat","authors_text":"A. 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