{"paper":{"title":"O(a^2) corrections to the one-loop propagator and bilinears of clover fermions with Symanzik improved gluons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"(2) Universita` di Roma Tre, F. Stylianou (1) ((1) Department of Physics, H. Panagopoulos (1), INFN, M. Constantinou (1), Sezione di Roma Tre), University of Cyprus, V. Lubicz (2)","submitted_at":"2009-07-02T13:44:23Z","abstract_excerpt":"We calculate corrections to the fermion propagator and to the Green's functions of all fermion bilinear operators of the form $\\bar\\Psi \\Gamma \\Psi$, to one-loop in perturbation theory.\n  We employ the Wilson/clover action for fermions and a family of Symanzik improved actions for gluons.\n  The novel aspect of our calculations is that they are carried out to second order in the lattice spacing, $O(a^2)$. Consequently, they have addressed a number of new issues, most notably the appearance of loop integrands with strong IR divergences (convergent only beyond 6 dimensions). Such integrands are n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0381","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"}