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In this note, we show that the ratio $\\frac{\\sigma(B_c^+)}{\\sigma(\\bar b)}$ obtained by dividing the $\\sigma(B_c^+)$ by the leading order $\\sigma(\\bar b)$ is consistent with this derived CDF measurement. We calculate the cross section $\\sigma(B_c^+)$ using the perturbative QCD fragmentation functions of Braaten, Cheung, and Yuan a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9908405","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-08-18T22:30:57Z","cross_cats_sorted":[],"title_canon_sha256":"b0f8b723cd3385fae7b1a9edb94a3249d35a93a355dce34036e0b4be682e3a23","abstract_canon_sha256":"32ea31176a4b9e7bc1d0d70f73ed7ac408310374256fed89b84b77ff2b2c80ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:27.586672Z","signature_b64":"eRX02S3gZKjTlvhHq/5kyWKgH1gfTkiFdAC9pSCmHIC+IaUxMyWINRRLHd8YUmyrh6RP/R74ed1si3EPhsvSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"330dcce1b740b2b3d0dbf54ecd50a1fe153a18852a543c92aacaabd809fdc2c7","last_reissued_at":"2026-05-18T02:36:27.586097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:27.586097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$B_c$ meson production at the Tevatron Revisited","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Kingman Cheung (UC-Davis)","submitted_at":"1999-08-18T22:30:57Z","abstract_excerpt":"CDF recently measured the quantity $\\frac{\\sigma(B_c^+)}{\\sigma(B^+)} \\frac{{\\rm BR}(B_c^+ \\to J/\\psi \\ell^+ \\nu)}{{\\rm BR}(B^+ \\to J/\\psi K^+)}$, {}from which we determine the ratio $\\frac{\\sigma(B_c^+)}{\\sigma(\\bar b)}$ to be $(2.08\\err{1.06}{0.95})\\times 10^{-3}$. 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