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We calculate the fragmentation functions for the production of the S-wave states $B_c$ and $B_c^*$ to leading order in the QCD coupling constant. The fragmentation probabilities for ${\\bar b} \\rightarrow B_c$ and ${\\bar b} \\rightarrow B_c^*$ are approximately $2.2 \\times 10^{-4}$ and $3.1 \\times 10^{-4}$, while those for $c \\rightarrow B_c$ and $c \\rightarrow B_c^*$ are smaller by almost t"},"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/9305206","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1993-05-03T20:34:47Z","cross_cats_sorted":[],"title_canon_sha256":"58e686b67bec6f76d3e5609d411279a9d29d1dbe510a64f49672aab16dc5c849","abstract_canon_sha256":"851b5af841242cd4946e0916aa0663e56104aedd029e2c6fc3a4767397b4f6c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:35.933817Z","signature_b64":"i8YE8KfAonRJSzKF4a/wpsPfRyr+h545TQ3H/68h76bhw75b8N840tL7fMOCx5ptNlPrt9pcph3nu0wmPwNVDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66ed2d5a83d3d3ff24240851d38f89d1fe3c4ce3f4446df937d0e35d648a02ac","last_reissued_at":"2026-05-18T01:06:35.933152Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:35.933152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Perturbative QCD Fragmentation Functions for $B_c$ and $B_c^*$ Production","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Eric Braaten, kingman Cheung, Tzu Chiang Yuan","submitted_at":"1993-05-03T20:34:47Z","abstract_excerpt":"The dominant production mechanism for ${\\bar b} c$ bound states in high energy processes is the production of a high energy ${\\bar b}$ or $c$ quark, followed by its fragmentation into the ${\\bar b} c$ state. 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