{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:H7XWTIZHRX53GUXUB5SBPIHOEC","short_pith_number":"pith:H7XWTIZH","schema_version":"1.0","canonical_sha256":"3fef69a3278dfbb352f40f6417a0ee209f2624897decc1a64f2df2cc31682a19","source":{"kind":"arxiv","id":"1201.3956","version":2},"attestation_state":"computed","paper":{"title":"Heavy pseudoscalar-meson decay constants with strangeness from the extended nonlocal chiral-quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Seung-il Nam","submitted_at":"2012-01-19T01:07:04Z","abstract_excerpt":"We study the weak-decay constants for the heavy pseudoscalar mesons, D, Ds, B, and Bs. For this purpose, we employ the extended nonlocal chiral-quark model (ExNLChQM), motivated by the heavy-quark effective field theory as well as the instanton-vacuum configuration. In addition to the heavy-quark symmetry and the nonlocal interactions between quarks and pseudoscalar mesons in ExNLChQM, a correction for the strange-quark content inside Ds and Bs is also taken into account and found to be crucial to reproduce the empirical values. From those numerical results, we obtain f_{D,Ds,B,Bs}=(207.53, 26"},"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":"1201.3956","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-19T01:07:04Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"a106128effccb82ae79862d81c4a863fa0971d480a241e4d0aea5c59814b8ed0","abstract_canon_sha256":"63c11f761449238931bd545bc0cbb763de5b8980524217e6a1a3cf968876b554"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:45.012660Z","signature_b64":"cQ9bb9jgMeTd0TvNLp0MoeSgrr/MbVMQTKpS4GMvga8x9OC/lHoxYhF7gBoUuQh9CvB0VrejpNg61eGR9zb2Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fef69a3278dfbb352f40f6417a0ee209f2624897decc1a64f2df2cc31682a19","last_reissued_at":"2026-05-18T03:48:45.011877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:45.011877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heavy pseudoscalar-meson decay constants with strangeness from the extended nonlocal chiral-quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Seung-il Nam","submitted_at":"2012-01-19T01:07:04Z","abstract_excerpt":"We study the weak-decay constants for the heavy pseudoscalar mesons, D, Ds, B, and Bs. 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