{"paper":{"title":"Absence of U(1) Anomalous Superamplitudes in $\\mathcal{N}\\geq 5$ Supergravities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Antoine Van Proeyen, Daniel Z. Freedman, Divyanshu Murli, Renata Kallosh, Yusuke Yamada","submitted_at":"2017-03-11T00:31:29Z","abstract_excerpt":"We list all potential candidates for U(1) anomalous non-local 1-loop 4-point amplitudes and higher loop UV divergences in $\\mathcal{N}\\geq 5$ supergravities. The relevant chiral superinvariants are constructed from linearized chiral superfields and define the corresponding superamplitudes. The anomalous amplitudes, of the kind present in $\\mathcal{N}=4$, are shown to be absent in $\\mathcal{N} \\geq 5$. In $\\mathcal{N}=6$ supergravity the result is deduced from the double-copy $\\mathcal{N}=4_{YM} \\times (\\mathcal{N}=2)_{YM}$ model, whereas in $\\mathcal{N}=5,8$ the result on absence of anomalous "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03879","kind":"arxiv","version":3},"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"}