{"paper":{"title":"Electromagnetic form factors of $\\Sigma^{+}$ and $\\Sigma^{-}$ in the vector meson dominance model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ju-Jun Xie, Zhong-Yi Li","submitted_at":"2020-12-04T03:13:56Z","abstract_excerpt":"Based on the recently measurements of the $e^{+} e^{-} \\to \\Sigma^{+} \\bar{\\Sigma}^{-}$ and $e^{+} e^{-} \\to \\Sigma^{-} \\bar{\\Sigma}^{+}$ processes, the electromagnetic form factors of the hyperon $\\Sigma^+$ and $\\Sigma^-$ in the timelike region are investigate by using the vector meson dominance model. We have included the contributions from the $\\rho$, $\\omega$ and $\\phi$ mesons. The model parameters are determined with the BESIII experimental data on the timelike effective form factors $|G_{\\rm eff}|$ of $\\Sigma^{+}$ and ${\\Sigma}^{-}$ for center-of-mass energy from 2.3864 to 3.02 GeV. Then"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02379","kind":"arxiv","version":3},"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/2012.02379/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"}