{"paper":{"title":"The light U boson as the mediator of a new force, coupled to a combination of Q, B, L and dark matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Pierre Fayet","submitted_at":"2016-11-16T16:53:38Z","abstract_excerpt":"A new light gauge boson $U$ may have both vector and axial couplings. In a large class of theories however, the new $U(1)$ current $J^\\mu_F$ naturally combines with the weak neutral current $J^\\mu_{Z_{\\rm sm}}$, both parity-violating, into a vectorial current $J^\\mu_U$, combination of the $B,\\,L$ and electromagnetic currents with a possible dark matter current.\n  $U^\\mu $ may be expressed equivalently as $\\cos\\xi \\,C^\\mu\\! + \\sin \\xi \\,Z^\\mu_{\\rm \\,sm}$ (\"mixing with the $Z$\") or $(1/\\cos\\chi) \\,\\hat C^\\mu+\\tan\\chi \\,A^\\mu$ (\"mixing with the photon\"), with $\\hat C$ coupled to $B,\\,L$ and dark "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.05357","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"}