{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:PX6AS23USAZNPAT24VLP5TZ2C4","short_pith_number":"pith:PX6AS23U","schema_version":"1.0","canonical_sha256":"7dfc096b749032d7827ae556fecf3a170d940c947ab88921a2b1308756f640d3","source":{"kind":"arxiv","id":"1002.1271","version":1},"attestation_state":"computed","paper":{"title":"f_0(600), kappa(800), rho(770) and K*(892), quark mass dependence from unitarized SU(3) Chiral Perturbation Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"J. Nebreda, J. R. Pelaez (U. Complutense, Madrid)","submitted_at":"2010-02-05T16:33:23Z","abstract_excerpt":"We study the strange and non-strange quark mass dependence of the parameters of the f_0(600), kappa(800), rho(770) and K*(892) resonances generated from elastic meson-meson scattering using unitarized one-loop Chiral Perturbation Theory. We fit simultaneously all experimental scattering data up to 0.8-1 GeV together with lattice results on decay constants and scattering lengths up to a pion mass of 440 MeV. Then, the strange and non-strange quark masses are varied from the chiral limit up to values of interest for lattice studies. In these amplitudes, the mass and width of the rho(770) and K*("},"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":"1002.1271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-02-05T16:33:23Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"4e4a72a6fe51e468dbd8b2e675ecbd75a7c2b1056c92568ebedcca96de8fe87d","abstract_canon_sha256":"f2c35563978f115656398d0e50f3225998cc0a10160cb133f35151d2f153ba7b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:19.058571Z","signature_b64":"+OEQs2MLZylY9yLL2ho7T+ku6rofsTtvKsiUae3aBwqP755dxrCmppRpQ3Xehq50TH7PrtnYJLdFsEwZeKeXDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7dfc096b749032d7827ae556fecf3a170d940c947ab88921a2b1308756f640d3","last_reissued_at":"2026-05-18T02:09:19.057923Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:19.057923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"f_0(600), kappa(800), rho(770) and K*(892), quark mass dependence from unitarized SU(3) Chiral Perturbation Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"J. Nebreda, J. R. Pelaez (U. Complutense, Madrid)","submitted_at":"2010-02-05T16:33:23Z","abstract_excerpt":"We study the strange and non-strange quark mass dependence of the parameters of the f_0(600), kappa(800), rho(770) and K*(892) resonances generated from elastic meson-meson scattering using unitarized one-loop Chiral Perturbation Theory. We fit simultaneously all experimental scattering data up to 0.8-1 GeV together with lattice results on decay constants and scattering lengths up to a pion mass of 440 MeV. Then, the strange and non-strange quark masses are varied from the chiral limit up to values of interest for lattice studies. In these amplitudes, the mass and width of the rho(770) and K*("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1271","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1002.1271","created_at":"2026-05-18T02:09:19.058030+00:00"},{"alias_kind":"arxiv_version","alias_value":"1002.1271v1","created_at":"2026-05-18T02:09:19.058030+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1271","created_at":"2026-05-18T02:09:19.058030+00:00"},{"alias_kind":"pith_short_12","alias_value":"PX6AS23USAZN","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"PX6AS23USAZNPAT2","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"PX6AS23U","created_at":"2026-05-18T12:26:12.377268+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4","json":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4.json","graph_json":"https://pith.science/api/pith-number/PX6AS23USAZNPAT24VLP5TZ2C4/graph.json","events_json":"https://pith.science/api/pith-number/PX6AS23USAZNPAT24VLP5TZ2C4/events.json","paper":"https://pith.science/paper/PX6AS23U"},"agent_actions":{"view_html":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4","download_json":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4.json","view_paper":"https://pith.science/paper/PX6AS23U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1002.1271&json=true","fetch_graph":"https://pith.science/api/pith-number/PX6AS23USAZNPAT24VLP5TZ2C4/graph.json","fetch_events":"https://pith.science/api/pith-number/PX6AS23USAZNPAT24VLP5TZ2C4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4/action/storage_attestation","attest_author":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4/action/author_attestation","sign_citation":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4/action/citation_signature","submit_replication":"https://pith.science/pith/PX6AS23USAZNPAT24VLP5TZ2C4/action/replication_record"}},"created_at":"2026-05-18T02:09:19.058030+00:00","updated_at":"2026-05-18T02:09:19.058030+00:00"}