{"paper":{"title":"Determination of the magnetic dipole moment of the rho meson using 4 pion electroproduction data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"D. Garc\\'ia Gudi\\~no, G. Toledo S\\'anchez","submitted_at":"2013-05-27T23:47:32Z","abstract_excerpt":"We determine the magnetic dipole moment of the rho meson using preliminary data from the BaBar Collaboration for the $e^+ e^- \\to \\pi^+ \\pi^- 2 \\pi^0$ process, in the center of mass energy range from 0.9 to 2.2 GeV. We describe the $\\gamma^* \\to 4\\pi$ vertex using a vector meson dominance model, including the intermediate resonance contributions relevant at these energies. We find that $\\mu_\\rho = 2.1 \\pm 0.5$ in $e/2 m_\\rho$ units."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6345","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"}