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Nielsen","submitted_at":"2014-12-17T13:21:53Z","abstract_excerpt":"In this proceeding we show the results found for the cross sections of the processes $\\bar D D\\to\\pi X(3872)$, $\\bar D^* D\\to \\pi X(3872)$ and $\\bar D^* D^*\\to\\pi X(3872)$, information needed for calculations of the $X(3872)$ abundance in heavy ion collisions. Our formalism is based on the generation of $X(3872)$ from the interaction of the hadrons $\\bar D^0 D^{*0} - \\textrm{c.c}$, $D^- D^{*+} - \\textrm{c.c}$ and $D^-_s D^{*+}_s - \\textrm{c.c}$. The evaluation of the cross section associated with processes having $D^*$ meson(s) involves an anomalous vertex, $X\\bar D^* D^*$, which we have deter"},"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":"1412.5378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-12-17T13:21:53Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"26df1081d49cd7d9b89e79a3964428a88911abcc595dbe091f73d13b4cc027cb","abstract_canon_sha256":"ea38f042c8198af83fef0472295d863b95879590863f8f160e319be8087580ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:03.095053Z","signature_b64":"Djeo2ETUSo2VaDjD+ETr5do10KWELKRqX4uuxWWM0SC549/S4CJeL4RGChDWRC9Tioe1uUY8oQBVejaZGUnRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d8d5e15b8faae92b209ea826c6505ad05619e16cc4f30dcb5803bd22e9d427c","last_reissued_at":"2026-05-18T02:31:03.094634Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:03.094634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$X(3872)$ production from reactions involving $D$ and $D^*$ mesons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"A. 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