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The $B^* B \\pi$ estimation is reported for the first time based on a Poincar\\'e invariant computation of the associated Bethe-Salpeter amplitudes. Our predictions yield $g_{D^* D \\pi}=16.22_{-0.01}^{+0.03}$ and $g_{B^* B \\pi}=40.09_{-1.37}^{+1.51}$, along with corresponding static strong couplings of $\\hat{g}_D=0.55_{-<0.01}^{+<0.01}$, $\\hat{g}_B=0.50_{-0.02}^{+0.02}$, which are consistent with"},"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":"2411.12327","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-11-19T08:29:15Z","cross_cats_sorted":[],"title_canon_sha256":"babaecd678feda88b808cbd67cb1e37131d7091175eb1e916ba509f273314e4a","abstract_canon_sha256":"c84f0daaff0ef3b430532a1a979c051583b7d33456f7b73ee135029a005fd312"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:52:15.927180Z","signature_b64":"pun2HqrvxXM6Ta/kaMcSkRAQk8P6a304vx0yhvpaZ1YDSZR1NX4I/A/td24sC11xrM7Ht4lnGSMALd/j6VXHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f46781e49367ced62396ab2ed9ad63ce3345af2563f5ddc35508c47361bed97b","last_reissued_at":"2026-07-05T11:52:15.926711Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:52:15.926711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$D^* D \\pi$ and $B^* B \\pi$ couplings from Dyson-Schwinger equations framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Kh\\'epani Raya, Yin-Zhen Xu","submitted_at":"2024-11-19T08:29:15Z","abstract_excerpt":"Employing a unified Dyson-Schwinger/Bethe-Salpeter equations approach, we calculate the strong decay couplings $D^* D \\pi$ and $B^* B \\pi$ within the so-called impulse-approximation in the moving frame. 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