{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:7N55VDS64LKF3QDQBQ4ZWBP7SD","short_pith_number":"pith:7N55VDS6","schema_version":"1.0","canonical_sha256":"fb7bda8e5ee2d45dc0700c399b05ff90fdd240425f5299e25b8be2738594d96f","source":{"kind":"arxiv","id":"nucl-ex/0109013","version":1},"attestation_state":"computed","paper":{"title":"Compton Scattering by the Proton using a Large-Acceptance Arrangement","license":"","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-ex","authors_text":"A.I. L'vov, A.M. Massone, A. Robbiano, C. Molinari, F. H\\\"arter, F. Wissmann, G. Galler, G.P. Capitani, H.-J. Arends, I. Preobrajenskij, J. Ahrens, J. Peise, K. Kossert, M. Camen, M. Sanzone, M. Schmitz, M. Schumacher, P. Grabmayr, P. Jennewein, P. Ottonello, R. Beck, R. Kondratiev, R.O. Owens, S. Proff, S. Wolf, T. Hehl, V. Lisin","submitted_at":"2001-09-19T16:29:08Z","abstract_excerpt":"Compton scattering by the proton has been measured using the tagged-photon facility at MAMI (Mainz) and the large-acceptance arrangement LARA. The new data are interpreted in terms of dispersion theory based on the SAID-SM99K parameterization of photo-meson amplitudes. It is found that two-pion exchange in the t-channel is needed for a description of the data in the second resonance region. The data are well represented if this channel is modeled by a single pole with mass parameter m(sigma)=600 MeV. The asymptotic part of the spin dependent amplitude is found to be well represented by pi-0-ex"},"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":"nucl-ex/0109013","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2001-09-19T16:29:08Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"d0fa8a69bbae1dddb37e95fe54c3bb8afbed641c1d52e4e7f96fabdfca70fda1","abstract_canon_sha256":"814c0787e748d489389d5776bb18d90a5ef7fe59ddeba8bc6d52284d5e565f34"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:57.809296Z","signature_b64":"f+3V6+LbglGFYqN2MqmTGqPz+1PluN4wmbFAN0BddMueMQllcGkphTXfQznTbR06efxH8j0uHJ/HAp+w/UKVBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb7bda8e5ee2d45dc0700c399b05ff90fdd240425f5299e25b8be2738594d96f","last_reissued_at":"2026-05-18T03:19:57.808468Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:57.808468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Compton Scattering by the Proton using a Large-Acceptance Arrangement","license":"","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-ex","authors_text":"A.I. L'vov, A.M. Massone, A. Robbiano, C. Molinari, F. H\\\"arter, F. Wissmann, G. Galler, G.P. Capitani, H.-J. Arends, I. Preobrajenskij, J. Ahrens, J. Peise, K. Kossert, M. Camen, M. Sanzone, M. Schmitz, M. Schumacher, P. Grabmayr, P. Jennewein, P. Ottonello, R. Beck, R. Kondratiev, R.O. Owens, S. Proff, S. Wolf, T. Hehl, V. Lisin","submitted_at":"2001-09-19T16:29:08Z","abstract_excerpt":"Compton scattering by the proton has been measured using the tagged-photon facility at MAMI (Mainz) and the large-acceptance arrangement LARA. The new data are interpreted in terms of dispersion theory based on the SAID-SM99K parameterization of photo-meson amplitudes. It is found that two-pion exchange in the t-channel is needed for a description of the data in the second resonance region. The data are well represented if this channel is modeled by a single pole with mass parameter m(sigma)=600 MeV. The asymptotic part of the spin dependent amplitude is found to be well represented by pi-0-ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0109013","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":"nucl-ex/0109013","created_at":"2026-05-18T03:19:57.808609+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0109013v1","created_at":"2026-05-18T03:19:57.808609+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0109013","created_at":"2026-05-18T03:19:57.808609+00:00"},{"alias_kind":"pith_short_12","alias_value":"7N55VDS64LKF","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_16","alias_value":"7N55VDS64LKF3QDQ","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_8","alias_value":"7N55VDS6","created_at":"2026-05-18T12:25:50.254431+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/7N55VDS64LKF3QDQBQ4ZWBP7SD","json":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD.json","graph_json":"https://pith.science/api/pith-number/7N55VDS64LKF3QDQBQ4ZWBP7SD/graph.json","events_json":"https://pith.science/api/pith-number/7N55VDS64LKF3QDQBQ4ZWBP7SD/events.json","paper":"https://pith.science/paper/7N55VDS6"},"agent_actions":{"view_html":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD","download_json":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD.json","view_paper":"https://pith.science/paper/7N55VDS6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0109013&json=true","fetch_graph":"https://pith.science/api/pith-number/7N55VDS64LKF3QDQBQ4ZWBP7SD/graph.json","fetch_events":"https://pith.science/api/pith-number/7N55VDS64LKF3QDQBQ4ZWBP7SD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD/action/storage_attestation","attest_author":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD/action/author_attestation","sign_citation":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD/action/citation_signature","submit_replication":"https://pith.science/pith/7N55VDS64LKF3QDQBQ4ZWBP7SD/action/replication_record"}},"created_at":"2026-05-18T03:19:57.808609+00:00","updated_at":"2026-05-18T03:19:57.808609+00:00"}