{"paper":{"title":"Bottom production cross section from double muonic decays of b-hadrons in 920 GeV proton-nucleus collision","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, I. Abt, The HERA-B Collaboration","submitted_at":"2006-12-12T14:13:34Z","abstract_excerpt":"The b-bbar production cross section in 920 GeV proton-nucleus fixed target collisions is measured by observing double muonic decays of b-flavored hadrons in the kinematic region $-0.3<\\xF(\\mu)<0.15$.\n  A total number of $76\\pm12$ b-bbar events is obtained with a likelihood fit of the signal and background simulated events to the data.\n  The resulting cross section is $\\sigbb = 16.2 \\pm 2.5_{stat} \\pm 2.8_{sys} \\nbpn$, or, when combined with a previous Hera-B measurement of similar precision, $\\sigbb = 15.4 \\pm 1.7_{stat} \\pm 1.2_{sys}^{uncorr.} \\pm 1.9_{sys}^{corr.} \\nbpn$, which is consistent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0612024","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"}