{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:VZWVXS4JIL3MKZMQSPFXOOBNUR","short_pith_number":"pith:VZWVXS4J","schema_version":"1.0","canonical_sha256":"ae6d5bcb8942f6c5659093cb77382da44b68a26b02254509bc15e8b004f6997a","source":{"kind":"arxiv","id":"1507.02446","version":1},"attestation_state":"computed","paper":{"title":"Photon emission in neutral current interactions at the T2K experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"E. Wang, J. Nieves, K. Mahn, L. Alvarez-Ruso, Y. Hayato","submitted_at":"2015-07-09T10:19:18Z","abstract_excerpt":"We have applied a microscopic model for single photon emission in neutral current interactions on nucleons and nuclei to determine the number and distributions of such events at the Super-Kamiokande detector, for the flux and beam exposure of the T2K experiment in neutrino mode. These reactions represent an irreducible background in electron-(anti)neutrino appearance measurements aimed at a precise measurement of mixing angle $\\theta_{13}$ and the $CP$ violating phase. We have obtained a total number of photon events that is twice larger than the one from the NEUT event generator (version 5.1."},"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":"1507.02446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-07-09T10:19:18Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"7894aaa7fabbd316fe922b40b4718c01ef702c4432c879211cfa80728ce78887","abstract_canon_sha256":"5f23c0c67553ddd9c9286bea50aed029464605d783239dfc3a841146db1d22ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:28.828766Z","signature_b64":"rE4F2HHxQ8ZChBj8y9K9aO7uXQavistAJAgHSSFmY88bcXMGKHzuSViiag3st1gW7j+m+8lig6MHQVgI8q9mAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae6d5bcb8942f6c5659093cb77382da44b68a26b02254509bc15e8b004f6997a","last_reissued_at":"2026-05-18T01:32:28.828302Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:28.828302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photon emission in neutral current interactions at the T2K experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"E. Wang, J. Nieves, K. Mahn, L. Alvarez-Ruso, Y. Hayato","submitted_at":"2015-07-09T10:19:18Z","abstract_excerpt":"We have applied a microscopic model for single photon emission in neutral current interactions on nucleons and nuclei to determine the number and distributions of such events at the Super-Kamiokande detector, for the flux and beam exposure of the T2K experiment in neutrino mode. These reactions represent an irreducible background in electron-(anti)neutrino appearance measurements aimed at a precise measurement of mixing angle $\\theta_{13}$ and the $CP$ violating phase. We have obtained a total number of photon events that is twice larger than the one from the NEUT event generator (version 5.1."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02446","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":"1507.02446","created_at":"2026-05-18T01:32:28.828384+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.02446v1","created_at":"2026-05-18T01:32:28.828384+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02446","created_at":"2026-05-18T01:32:28.828384+00:00"},{"alias_kind":"pith_short_12","alias_value":"VZWVXS4JIL3M","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"VZWVXS4JIL3MKZMQ","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"VZWVXS4J","created_at":"2026-05-18T12:29:47.479230+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/VZWVXS4JIL3MKZMQSPFXOOBNUR","json":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR.json","graph_json":"https://pith.science/api/pith-number/VZWVXS4JIL3MKZMQSPFXOOBNUR/graph.json","events_json":"https://pith.science/api/pith-number/VZWVXS4JIL3MKZMQSPFXOOBNUR/events.json","paper":"https://pith.science/paper/VZWVXS4J"},"agent_actions":{"view_html":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR","download_json":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR.json","view_paper":"https://pith.science/paper/VZWVXS4J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.02446&json=true","fetch_graph":"https://pith.science/api/pith-number/VZWVXS4JIL3MKZMQSPFXOOBNUR/graph.json","fetch_events":"https://pith.science/api/pith-number/VZWVXS4JIL3MKZMQSPFXOOBNUR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR/action/storage_attestation","attest_author":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR/action/author_attestation","sign_citation":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR/action/citation_signature","submit_replication":"https://pith.science/pith/VZWVXS4JIL3MKZMQSPFXOOBNUR/action/replication_record"}},"created_at":"2026-05-18T01:32:28.828384+00:00","updated_at":"2026-05-18T01:32:28.828384+00:00"}