{ "id": "2102.03703", "version": "v1", "published": "2021-02-07T02:55:24.000Z", "updated": "2021-02-07T02:55:24.000Z", "title": "Recent charm results from Belle", "authors": [ "Longke Li" ], "comment": "7 pages, 5 figures, Proceedings for 40th International Conference on High Energy physics (ICHEP2020)", "categories": [ "hep-ex" ], "abstract": "Recent charm results from Belle experiment are presented in this proceedings, including (1) measurement of mixing parameter $y_{CP}=(0.96\\pm0.91\\pm 0.62^{+0.17}_{-0.00})\\%$ in $CP$-odd decay for the first time, (2) the first Dalitz-plot analysis of $D^0\\to K^-\\pi^+\\eta$, (3) measurement of branching fractions of $\\Lambda_c^+\\to\\eta\\Lambda^0\\pi^+$ and $\\eta\\Sigma^0\\pi^+$ and intermediate processes $\\Lambda_c^+\\to[\\Lambda(1670)\\to\\eta\\Lambda^0]\\pi^+$ and $\\Lambda_c^+\\to\\eta\\Sigma(1385)^+$ relative to $\\Lambda_c^+\\to p K^-\\pi^+$: $0.293\\pm0.003\\pm0.014$, $0.120\\pm0.006\\pm0.006$, $(5.54\\pm0.29\\pm0.73)\\times10^{-2}$, and $0.192\\pm 0.006\\pm 0.016$, respectively, and (4) first determination of the spin and parity of a charmed-strange baryon $\\Xi_c(2970)^+$ which is consistent with the HQSS prediction for $J^P(s_l)=1/2^+(0)$.", "revisions": [ { "version": "v1", "updated": "2021-02-07T02:55:24.000Z" } ], "analyses": { "keywords": [ "charm results", "first dalitz-plot analysis", "hqss prediction", "first time", "belle experiment" ], "tags": [ "conference paper" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }