{"paper":{"title":"Measurement of the Charged Multiplicity of $Z \\rightarrow b \\overline{b}$ Events","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"The SLD Collaboration","submitted_at":"1994-05-13T23:03:00Z","abstract_excerpt":"Using an impact parameter tag to select an enriched sample of $Z \\rightarrow b \\overline{b}$ events, we have measured the difference between the average charged multiplicity of $Z \\rightarrow b \\overline{b}$ and $Z^0 \\rightarrow hadrons$ to be $\\overline{n}_{b} - \\overline{n}_{had} = 2.24\\pm 0.30(\\rm{stat.}) \\pm 0.33(\\rm{syst.})$ tracks per event. {}From this, we have derived $\\overline{n}_{b} - \\overline{n}_{uds} = 3.31 \\pm 0.41 \\pm 0.79.$ Comparing this measurement with those at lower center-of-mass energies, we find no evidence that $\\overline{n}_{b} - \\overline{n}_{uds}$ depends on energy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9405004","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"}