{"paper":{"title":"Nonperturbative beta function of twelve-flavor SU(3) gauge theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Anna Hasenfratz, David Schaich","submitted_at":"2016-10-31T16:34:19Z","abstract_excerpt":"We study the discrete beta function of SU(3) gauge theory with Nf=12 massless fermions in the fundamental representation. Using an nHYP-smeared staggered lattice action and an improved gradient flow running coupling $\\tilde g_c^2(L)$ we determine the continuum-extrapolated discrete beta function up to $g_c^2 \\approx 8.2$. We observe an IR fixed point at $g_{\\star}^2 = 7.3\\left(_{-2}^{+8}\\right)$ in the $c = \\sqrt{8t} / L = 0.25$ scheme, and $g_{\\star}^2 = 7.3\\left(_{-3}^{+6}\\right)$ with c=0.3, combining statistical and systematic uncertainties in quadrature. The systematic effects we investig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.10004","kind":"arxiv","version":2},"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"}