{"paper":{"title":"Determining the relative size of the CP-even and CP-odd Higgs Boson Couplings to a Fermion at the LHC","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"J.F. Gunion (U.C. Davis), J. Pliszka (U.C. Davis, Warsaw U.)","submitted_at":"1998-09-08T21:56:09Z","abstract_excerpt":"We demonstrate that the relative size of the CP-even and CP-odd couplings of a Higgs boson to $t\\anti t$ can be determined at the LHC at a level that is very useful in discriminating between models, provided that a Higgs signal can be observed at a reasonable $S/\\sqrt B$ level in the $t\\anti t\\h$ (with $\\h\\to\\gamma\\gamma$ or $b\\anti b)$ channels. In particular, the CP-even nature of a SM-like Higgs boson's coupling to $t\\anti t$ can be confirmed with very substantial statistical significance using the $t\\anti t \\h$ ($\\h\\to \\gamma\\gamma$) production/decay mode. The key to achieving good discrim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9809306","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9809306/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}