{"paper":{"title":"Extracting strong phase and $CP$ violation in $D$ decays by using quantum correlations in $\\psi(3770)\\to D^0 \\overline{D}^0 \\to (V_1V_2)(K \\pi)$ and $\\psi(3770)\\to D^0\\overline{D}^0\\to (V_1V_2)(V_3V_4)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Hai-Bo Li, Jerome Charles, Sebastien Descotes-Genon, Xian-Wei Kang","submitted_at":"2010-10-08T13:38:55Z","abstract_excerpt":"We exploit the angular and quantum correlations in the $D\\bar{D}$ pairs produced through the decay of the $\\psi(3770)$ resonance in a charm factory to investigate CP-violation in two different ways. We consider the case of $\\psi(3770)\\rightarrow D\\bar{D}\\rightarrow (V_1V_2)(K\\pi)$ decays, which provide a new way to measure the strong phase difference $\\delta$ between Cabibbo-favored and doubly-Cabibbo suppressed $D$ decays required in the determination of the CKM angle $\\gamma$. We also build CP-violating observables in $\\psi(3770)\\rightarrow D\\bar{D}\\rightarrow (V_1V_2)(V_3 V_4)$ to isolate s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1687","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"}