{"paper":{"title":"Unquenched quark-model calculation of X(3872) electromagnetic decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Eef van Beveren, George Rupp, Marco Cardoso","submitted_at":"2014-11-06T16:22:14Z","abstract_excerpt":"A recent quark-model description of X(3872) as an unquenched $2\\,{}^{3\\!}P_1$ $c\\bar{c}$ state is generalised by now including all relevant meson-meson configurations, in order to calculate the widths of the experimentally observed electromagnetic decays $X(3872) \\to \\gamma J/\\psi$ and $X(3872) \\to \\gamma\\psi(2S)$. Interestingly, the inclusion of additional two-meson channels, most importantly $D^\\pm D^{\\star\\mp}$, leads to a sizeable increase of the $c\\bar{c}$ probability in the total wave function, although the $D^0\\bar{D}^{\\star0}$ component remains the dominant one. As for the electromagne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1654","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"}