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The probability for a c quark to hadronise into a D*+ is found to be f(c to D*+) = 0.233 +- 0.010 (stat.) +- 0.011 (syst.). The average fraction of the beam energy carried by D*+- mesons in Z to cc events is measured to be < X_E (D*+-) >_cc = 0.4878 +-"},"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-ex/9909032","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1999-09-20T08:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"8cfe07b8b3c9a80dc4c27328d3118878fafc59d51418b2359c6a067230b49994","abstract_canon_sha256":"22d78f5e787d4d1010d60c745c7d7422eb1227fc4281da8245dbc4262dd8a28b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:20.821218Z","signature_b64":"tgsuwdgF45xXTJkC3TJF6J+pmdsvrdesJtdV6CWOEoDCJC3bWSioe5L6ZtT6RC/8u1cUdGHmZBgMVEokXJCZCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63041a61ce39fc80596653a3c65adb6267551ee253b979fa3380bb6160dcb4d3","last_reissued_at":"2026-05-18T03:47:20.820372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:20.820372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Study of Charm Production in Z Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ALEPH Collaboration","submitted_at":"1999-09-20T08:00:04Z","abstract_excerpt":"The production rates of D*+-, Ds*+-, D+-, D0 / D0bar, Ds+, and Lambda_c in Z to ccbar decays are measured using the LEP I data sample recorded by the ALEPH detector. 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