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All the possible off-shell cases are considered, $D_s$, $D_s^*$ and $J/\\psi$, resulting in three different form factors. These form factors are extrapolated to the pole of their respective off-shell mesons, giving the same coupling constant for the process. Our final result for the $J/\\psi D_s^* D_s$ coupling constant is $g_{J/\\psi D^*_s D_s} = 4.30^{+0.42}_{-0.37}\\text{GeV}^{-1}$."},"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":"1501.03088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-01-13T17:54:15Z","cross_cats_sorted":[],"title_canon_sha256":"5e1abbbd7ce58323193322232eb3b66c36ce4a65e0e5e89dc504d4b59cf5de21","abstract_canon_sha256":"779126acf97d3c83810144b1da43377bbe1c25fea800463d9a7698e7e448c657"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:11.305202Z","signature_b64":"lc4wERhPkB8XK/g+2Hq615cMtMPDCm5AhAvgwj0hBeU//mRQRze9vHmNXHK5wl7ePyT1fUWQaZkuxbdta7bKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff75a9e5f2fdb1a883a0f2da7b6810262dd4d399d0a6e44841cdea0fcd3b5797","last_reissued_at":"2026-05-18T01:41:11.304654Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:11.304654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A QCD sum rules calculation of the $J/\\psi D_s^* D_s$ strong coupling constant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Cerqueira Jr, B. Os\\'orio Rodrigues, M. Chiapparini, M. E. Bracco","submitted_at":"2015-01-13T17:54:15Z","abstract_excerpt":"In this work, we calculate the form factors and the coupling constant of the strange-charmed vertex $J/\\psi D_s^* D_s$ in the framework of the QCD sum rules by studying their three-point correlation functions. All the possible off-shell cases are considered, $D_s$, $D_s^*$ and $J/\\psi$, resulting in three different form factors. These form factors are extrapolated to the pole of their respective off-shell mesons, giving the same coupling constant for the process. 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