{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:K4FPDOYCCHQKJOPDREOAZX6IL2","short_pith_number":"pith:K4FPDOYC","schema_version":"1.0","canonical_sha256":"570af1bb0211e0a4b9e3891c0cdfc85e927c77d4a186fc7a708aa5e70f479731","source":{"kind":"arxiv","id":"1610.01422","version":2},"attestation_state":"computed","paper":{"title":"Pion-nucleon scattering in the Roper channel from lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex","nucl-th"],"primary_cat":"hep-lat","authors_text":"C. B. Lang, L. Leskovec, M. Padmanath, S. Prelovsek","submitted_at":"2016-10-05T14:00:58Z","abstract_excerpt":"We present a lattice QCD study of $N\\pi$ scattering in the positive-parity nucleon channel, where the puzzling Roper resonance $N^*(1440)$ resides in experiment. The study is based on the PACS-CS ensemble of gauge configurations with $N_f=2+1$ Wilson-clover dynamical fermions, $m_\\pi \\simeq 156~$MeV and $L\\simeq 2.9~$fm. In addition to a number of $qqq$ interpolating fields, we implement operators for $N\\pi$ in $p$-wave and $N\\sigma$ in $s$-wave. In the center-of-momentum frame we find three eigenstates below 1.65 GeV. They are dominated by $N(0)$, $N(0)\\pi(0)\\pi(0)$ (mixed with $N(0)\\sigma(0)"},"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":"1610.01422","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-10-05T14:00:58Z","cross_cats_sorted":["hep-ph","nucl-ex","nucl-th"],"title_canon_sha256":"180c8954a6096c18bb1a9773229d7860189629c160e50bc5f22e067893974ecd","abstract_canon_sha256":"e7f0af6187961d1209e0b97900e07d8a0757fc1e485e894bd2e5aae206a24e54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:13.817966Z","signature_b64":"uvtSR6d3bvCikE7zDV0OUd6RSZ5Uk8Yi1yyWEaC0vxKtFold4vqqqjP6V08jLl51JBffYszA9cqM9o9GfLp1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"570af1bb0211e0a4b9e3891c0cdfc85e927c77d4a186fc7a708aa5e70f479731","last_reissued_at":"2026-05-18T00:51:13.817207Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:13.817207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pion-nucleon scattering in the Roper channel from lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex","nucl-th"],"primary_cat":"hep-lat","authors_text":"C. B. Lang, L. Leskovec, M. Padmanath, S. Prelovsek","submitted_at":"2016-10-05T14:00:58Z","abstract_excerpt":"We present a lattice QCD study of $N\\pi$ scattering in the positive-parity nucleon channel, where the puzzling Roper resonance $N^*(1440)$ resides in experiment. The study is based on the PACS-CS ensemble of gauge configurations with $N_f=2+1$ Wilson-clover dynamical fermions, $m_\\pi \\simeq 156~$MeV and $L\\simeq 2.9~$fm. In addition to a number of $qqq$ interpolating fields, we implement operators for $N\\pi$ in $p$-wave and $N\\sigma$ in $s$-wave. In the center-of-momentum frame we find three eigenstates below 1.65 GeV. They are dominated by $N(0)$, $N(0)\\pi(0)\\pi(0)$ (mixed with $N(0)\\sigma(0)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01422","kind":"arxiv","version":2},"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":"1610.01422","created_at":"2026-05-18T00:51:13.817339+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.01422v2","created_at":"2026-05-18T00:51:13.817339+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01422","created_at":"2026-05-18T00:51:13.817339+00:00"},{"alias_kind":"pith_short_12","alias_value":"K4FPDOYCCHQK","created_at":"2026-05-18T12:30:25.849896+00:00"},{"alias_kind":"pith_short_16","alias_value":"K4FPDOYCCHQKJOPD","created_at":"2026-05-18T12:30:25.849896+00:00"},{"alias_kind":"pith_short_8","alias_value":"K4FPDOYC","created_at":"2026-05-18T12:30:25.849896+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2311.04206","citing_title":"Elastic and resonance structures of the nucleon from hadronic tensor in lattice QCD: implications for neutrino-nucleon scattering and hadron physics","ref_index":101,"is_internal_anchor":true},{"citing_arxiv_id":"2512.03894","citing_title":"Kinetic Mixing and Axial Charges in the Parity-Doublet Model","ref_index":76,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2","json":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2.json","graph_json":"https://pith.science/api/pith-number/K4FPDOYCCHQKJOPDREOAZX6IL2/graph.json","events_json":"https://pith.science/api/pith-number/K4FPDOYCCHQKJOPDREOAZX6IL2/events.json","paper":"https://pith.science/paper/K4FPDOYC"},"agent_actions":{"view_html":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2","download_json":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2.json","view_paper":"https://pith.science/paper/K4FPDOYC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.01422&json=true","fetch_graph":"https://pith.science/api/pith-number/K4FPDOYCCHQKJOPDREOAZX6IL2/graph.json","fetch_events":"https://pith.science/api/pith-number/K4FPDOYCCHQKJOPDREOAZX6IL2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2/action/storage_attestation","attest_author":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2/action/author_attestation","sign_citation":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2/action/citation_signature","submit_replication":"https://pith.science/pith/K4FPDOYCCHQKJOPDREOAZX6IL2/action/replication_record"}},"created_at":"2026-05-18T00:51:13.817339+00:00","updated_at":"2026-05-18T00:51:13.817339+00:00"}