{"paper":{"title":"Measurements of the cross sections of $e^{+}e^{-}\\to \\Sigma_{c}\\bar{\\Sigma}_{c}$ and $\\Lambda_c^{+}\\bar{\\Sigma}_{c}^{-}$ near kinematic thresholds","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BESIII Collaboration","submitted_at":"2025-08-23T02:04:41Z","abstract_excerpt":"Based on $e^{+}e^{-}$ annihilation data collected with the BESIII detector at the BEPCII collider, searches for the $e^{+}e^{-}\\to\\Sigma_{c}\\bar{\\Sigma}_{c}$ ($\\Sigma_{c}^{+}\\bar{\\Sigma}_{c}^{-}$, $\\Sigma_{c}^{0}\\bar{\\Sigma}_{c}^{0}$ and $\\Sigma_{c}^{++}\\bar{\\Sigma}_{c}^{--}$) processes, as well as for the isospin-violating process $e^{+}e^{-}\\to\\Lambda_c^{+}\\bar{\\Sigma}_{c}^{-}$, are conducted for the first time at $\\sqrt{s}=4.750$, $4.781$, $4.843$, $4.918$, and $4.951$ GeV. As no signals are observed for all the above channels, the upper limits on their Born cross sections at the 90$\\%$ con"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.16871","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.16871/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}