{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:N32XNHEXVQY47VNVJUGLWYFTPR","short_pith_number":"pith:N32XNHEX","schema_version":"1.0","canonical_sha256":"6ef5769c97ac31cfd5b54d0cbb60b37c74a0c7f8820b5fe0a530a44ca12efb15","source":{"kind":"arxiv","id":"nucl-ex/0008005","version":1},"attestation_state":"computed","paper":{"title":"The RHIC Zero Degree Calorimeter","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Alexei Denisov, Clemens Adler, Edmundo Garcia, Herbert Strobele, Michael Murray, Sebastian White","submitted_at":"2000-08-08T18:39:21Z","abstract_excerpt":"High Energy collisions of nuclei usually lead to the emission of evaporation neutrons from both ``beam'' and ``target'' nuclei. At the RHIC heavy ion collider with 100GeV/u beam energy, evaporation neutrons diverge by less than $~2$ milliradians from the beam axis Neutral beam fragments can be detected downstream of RHIC ion collisions (and a large aperture Accelerator dipole magnet) if $\\theta\\leq$ 4 mr but charged fragments in the same angular range are usually too close to the beam trajectory.\n  In this 'zero degree' region produced particles and other secondaries deposit negligible energy "},"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/0008005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2000-08-08T18:39:21Z","cross_cats_sorted":[],"title_canon_sha256":"c55e97230594f1702238040d39af53dde7cc2e9b6ad9272662c164dd6c4f279f","abstract_canon_sha256":"19671bf0b409ef16e3edfc0052b1896a00352c653a252dfa4d87567d8a21333a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:35.354821Z","signature_b64":"6ItbfmHFT066HseBL20K6hIe5N1MjoTfBDLmGt7mBrfWObX2rqGJUHEK0Nu6ueW2ueEG45AjSWyCNLTIxlE4AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ef5769c97ac31cfd5b54d0cbb60b37c74a0c7f8820b5fe0a530a44ca12efb15","last_reissued_at":"2026-07-04T23:57:35.354331Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:35.354331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The RHIC Zero Degree Calorimeter","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Alexei Denisov, Clemens Adler, Edmundo Garcia, Herbert Strobele, Michael Murray, Sebastian White","submitted_at":"2000-08-08T18:39:21Z","abstract_excerpt":"High Energy collisions of nuclei usually lead to the emission of evaporation neutrons from both ``beam'' and ``target'' nuclei. At the RHIC heavy ion collider with 100GeV/u beam energy, evaporation neutrons diverge by less than $~2$ milliradians from the beam axis Neutral beam fragments can be detected downstream of RHIC ion collisions (and a large aperture Accelerator dipole magnet) if $\\theta\\leq$ 4 mr but charged fragments in the same angular range are usually too close to the beam trajectory.\n  In this 'zero degree' region produced particles and other secondaries deposit negligible energy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0008005","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/0008005/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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/0008005","created_at":"2026-07-04T23:57:35.354391+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0008005v1","created_at":"2026-07-04T23:57:35.354391+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0008005","created_at":"2026-07-04T23:57:35.354391+00:00"},{"alias_kind":"pith_short_12","alias_value":"N32XNHEXVQY4","created_at":"2026-07-04T23:57:35.354391+00:00"},{"alias_kind":"pith_short_16","alias_value":"N32XNHEXVQY47VNV","created_at":"2026-07-04T23:57:35.354391+00:00"},{"alias_kind":"pith_short_8","alias_value":"N32XNHEX","created_at":"2026-07-04T23:57:35.354391+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.20962","citing_title":"Measurement of inclusive $J/\\psi$ production in Au+Au collisions at $\\sqrt{s_\\mathrm{NN}} = 54.4$ GeV at STAR","ref_index":44,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR","json":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR.json","graph_json":"https://pith.science/api/pith-number/N32XNHEXVQY47VNVJUGLWYFTPR/graph.json","events_json":"https://pith.science/api/pith-number/N32XNHEXVQY47VNVJUGLWYFTPR/events.json","paper":"https://pith.science/paper/N32XNHEX"},"agent_actions":{"view_html":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR","download_json":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR.json","view_paper":"https://pith.science/paper/N32XNHEX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0008005&json=true","fetch_graph":"https://pith.science/api/pith-number/N32XNHEXVQY47VNVJUGLWYFTPR/graph.json","fetch_events":"https://pith.science/api/pith-number/N32XNHEXVQY47VNVJUGLWYFTPR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR/action/storage_attestation","attest_author":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR/action/author_attestation","sign_citation":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR/action/citation_signature","submit_replication":"https://pith.science/pith/N32XNHEXVQY47VNVJUGLWYFTPR/action/replication_record"}},"created_at":"2026-07-04T23:57:35.354391+00:00","updated_at":"2026-07-04T23:57:35.354391+00:00"}