{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2M3YFUXWDNXD3F3X5K4CHZKIX3","short_pith_number":"pith:2M3YFUXW","schema_version":"1.0","canonical_sha256":"d33782d2f61b6e3d9777eab823e548befa7b4b0c84a5885ab42a0848a1bd997f","source":{"kind":"arxiv","id":"1810.05343","version":3},"attestation_state":"computed","paper":{"title":"Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Schmidt, A.W. Denniston, E. O. Cohen, E. Piasetzky, E.P. Segarra, H. Hakobyan, I. Korover, J.R. Pybus, L.B. Weinstein, M. Duer, N. Barnea, O. Hen, R. Weiss, the CLAS Collaboration","submitted_at":"2018-10-12T03:48:16Z","abstract_excerpt":"We measured the triple coincidence A(e,e'np) and A(e,e'pp) reactions on carbon, aluminum, iron, and lead targets at Q2 > 1.5 (GeV/c)2, xB > 1.1 and missing momentum > 400 MeV/c. This was the first direct measurement of both proton-proton (pp) and neutron-proton (np) short-range correlated (SRC) pair knockout from heavy asymmetric nuclei. For all measured nuclei, the average proton-proton (pp) to neutron-proton (np) reduced cross-section ratio is about 6%, in agreement with previous indirect measurements. Correcting for Single-Charge Exchange effects decreased the SRC pairs ratio to ~ 3%, which"},"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":"1810.05343","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-12T03:48:16Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"c95b9fce30331105c85ad9c7203a49b276ad26500eac25c42f76d06ccceb609d","abstract_canon_sha256":"eeffa1811b8557fc1c14346b740a40c14a8b67e54c23505781c2cb344fe0b417"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:50.136885Z","signature_b64":"D4XpKa6Kyz9Nz1IkBbf327/l4KaQt32ES2zekagOSiUdzBasnnuMXuSbpz5XOa1q7KdF3NEzJol7N05Fv1xbBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d33782d2f61b6e3d9777eab823e548befa7b4b0c84a5885ab42a0848a1bd997f","last_reissued_at":"2026-05-17T23:46:50.136299Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:50.136299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Schmidt, A.W. Denniston, E. O. Cohen, E. Piasetzky, E.P. Segarra, H. Hakobyan, I. Korover, J.R. Pybus, L.B. Weinstein, M. Duer, N. Barnea, O. Hen, R. Weiss, the CLAS Collaboration","submitted_at":"2018-10-12T03:48:16Z","abstract_excerpt":"We measured the triple coincidence A(e,e'np) and A(e,e'pp) reactions on carbon, aluminum, iron, and lead targets at Q2 > 1.5 (GeV/c)2, xB > 1.1 and missing momentum > 400 MeV/c. This was the first direct measurement of both proton-proton (pp) and neutron-proton (np) short-range correlated (SRC) pair knockout from heavy asymmetric nuclei. For all measured nuclei, the average proton-proton (pp) to neutron-proton (np) reduced cross-section ratio is about 6%, in agreement with previous indirect measurements. Correcting for Single-Charge Exchange effects decreased the SRC pairs ratio to ~ 3%, which"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05343","kind":"arxiv","version":3},"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":"1810.05343","created_at":"2026-05-17T23:46:50.136402+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.05343v3","created_at":"2026-05-17T23:46:50.136402+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05343","created_at":"2026-05-17T23:46:50.136402+00:00"},{"alias_kind":"pith_short_12","alias_value":"2M3YFUXWDNXD","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2M3YFUXWDNXD3F3X","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2M3YFUXW","created_at":"2026-05-18T12:32:02.567920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.04550","citing_title":"Experimental Study of Bremsstrahlung Gamma Ray Emission and Short-Range Correlations in $^{124}$Sn+$^{124}$Sn Collisions at 25 MeV/u","ref_index":20,"is_internal_anchor":true},{"citing_arxiv_id":"2604.25107","citing_title":"Large amplification of the isospin-dependence of proton emitting source size in radioactive heavy-ion collisions: a signal of n-p correlation","ref_index":8,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3","json":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3.json","graph_json":"https://pith.science/api/pith-number/2M3YFUXWDNXD3F3X5K4CHZKIX3/graph.json","events_json":"https://pith.science/api/pith-number/2M3YFUXWDNXD3F3X5K4CHZKIX3/events.json","paper":"https://pith.science/paper/2M3YFUXW"},"agent_actions":{"view_html":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3","download_json":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3.json","view_paper":"https://pith.science/paper/2M3YFUXW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.05343&json=true","fetch_graph":"https://pith.science/api/pith-number/2M3YFUXWDNXD3F3X5K4CHZKIX3/graph.json","fetch_events":"https://pith.science/api/pith-number/2M3YFUXWDNXD3F3X5K4CHZKIX3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3/action/storage_attestation","attest_author":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3/action/author_attestation","sign_citation":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3/action/citation_signature","submit_replication":"https://pith.science/pith/2M3YFUXWDNXD3F3X5K4CHZKIX3/action/replication_record"}},"created_at":"2026-05-17T23:46:50.136402+00:00","updated_at":"2026-05-17T23:46:50.136402+00:00"}