{"paper":{"title":"Exotic charmonium-like spectroscopy at LHCb: a study of the X(3872) and of the Z(4430)^-","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"Monica Pepe Altarelli","submitted_at":"2014-09-23T10:26:59Z","abstract_excerpt":"I will report on the recent LHCb results on the evidence for the decay $X(3872)\\rightarrow\\psi(2S) \\gamma$, and on the improved measurement of the mass and width of the $Z(4430)^-$, the determination of its quantum numbers and the observation of its resonant character."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6472","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"}