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In calculations, we consider the contributions of the vacuum condensates up to dimension-16 and employ the formula $\\mu=\\sqrt{M_{X/Y/Z}^{2}-\\left(2{\\mathbb{M}}_{c}\\right)^{2}}$ to choose the optimal energy scale of the QCD spectral density. The numerical result $M_Z=4.71_{-0.11}^{+0.19}\\,\\rm{GeV}$ indicates that there exists a resonance state $Z$ lying above the $D\\bar{D}^*K$ threshold to sat"},"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":"1901.05196","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-16T09:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"78834fd46476c32be71c8e5e2a7f64b8327267100fceea023063f5a0db8fbbb8","abstract_canon_sha256":"700848032150c1999bb2481902b1a7214f16e348eb11326306e1d7657c15107c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:32.913135Z","signature_b64":"cl7i4l/qAehYXhMUGv/SrmhHsfHmOXQM20zUZi0ReOx+HVTnsjLQbzcupdeThd3Z/La40xuFHnBwzOYaOW6LCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ae1630f36482f23a29e111176f31ed5847e203f3154a6fe98098b3b6ccc4914","last_reissued_at":"2026-05-17T23:49:32.912499Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:32.912499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Analysis of the $D\\bar{D}^*K$ system with QCD sum rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Zhi-Gang Wang, Zun-Yan Di","submitted_at":"2019-01-16T09:50:23Z","abstract_excerpt":"In this article, we construct the color singlet-singlet-singlet interpolating current with $I\\left(J^P\\right)=\\frac{3}{2}\\left(1^-\\right)$ to study the $D\\bar{D}^*K$ system through QCD sum rules approach. 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