{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:3PTKF4DH7UOZPWNIWGIFDL7YAV","short_pith_number":"pith:3PTKF4DH","schema_version":"1.0","canonical_sha256":"dbe6a2f067fd1d97d9a8b19051aff805737f684e5ae1cd6fc0a19fc41be2e931","source":{"kind":"arxiv","id":"0710.2344","version":1},"attestation_state":"computed","paper":{"title":"Measurement of Upsilon Production for p+p and p+d Interactions at 800 GeV","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"E866/NuSea Collaboration: L. Y. Zhu, et al","submitted_at":"2007-10-11T20:36:13Z","abstract_excerpt":"We report a high statistics measurement of Upsilon production with an 800 GeV/c proton beam on hydrogen and deuterium targets. The dominance of the gluon-gluon fusion process for Upsilon production at this energy implies that the cross section ratio, $\\sigma (p + d \\to \\Upsilon) / 2\\sigma (p + p\\to \\Upsilon)$, is sensitive to the gluon content in the neutron relative to that in the proton. Over the kinematic region 0 < x_F < 0.6, this ratio is found to be consistent with unity, in striking contrast to the behavior of the Drell-Yan cross section ratio $\\sigma(p+d)_{DY}/2\\sigma(p+p)_{DY}$. This "},"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":"0710.2344","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2007-10-11T20:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"568ab5f7d0f70bad2d989ccb721b62c5774a6bdd92a2b1f104b30ac9d1d2b6b2","abstract_canon_sha256":"6b76d2894632225606ff279ea7c4b1f836763e32b0e3641943dac81f50f57042"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:11.708270Z","signature_b64":"kmVZRkTp8Iw1w5x1HMc+LrwaBpY2HIIWEqndZVE7IJpGsf9XJZkp97yN6xTBfplEufPTCZsfKX+OMalFRmLCDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbe6a2f067fd1d97d9a8b19051aff805737f684e5ae1cd6fc0a19fc41be2e931","last_reissued_at":"2026-05-18T03:48:11.707723Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:11.707723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of Upsilon Production for p+p and p+d Interactions at 800 GeV","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"E866/NuSea Collaboration: L. Y. Zhu, et al","submitted_at":"2007-10-11T20:36:13Z","abstract_excerpt":"We report a high statistics measurement of Upsilon production with an 800 GeV/c proton beam on hydrogen and deuterium targets. The dominance of the gluon-gluon fusion process for Upsilon production at this energy implies that the cross section ratio, $\\sigma (p + d \\to \\Upsilon) / 2\\sigma (p + p\\to \\Upsilon)$, is sensitive to the gluon content in the neutron relative to that in the proton. Over the kinematic region 0 < x_F < 0.6, this ratio is found to be consistent with unity, in striking contrast to the behavior of the Drell-Yan cross section ratio $\\sigma(p+d)_{DY}/2\\sigma(p+p)_{DY}$. This "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.2344","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":"0710.2344","created_at":"2026-05-18T03:48:11.707806+00:00"},{"alias_kind":"arxiv_version","alias_value":"0710.2344v1","created_at":"2026-05-18T03:48:11.707806+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.2344","created_at":"2026-05-18T03:48:11.707806+00:00"},{"alias_kind":"pith_short_12","alias_value":"3PTKF4DH7UOZ","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_16","alias_value":"3PTKF4DH7UOZPWNI","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_8","alias_value":"3PTKF4DH","created_at":"2026-05-18T12:25:54.717736+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.03769","citing_title":"Measurements of $\\varUpsilon$ States Production in $\\textit{p+p}$ Collisions at $\\sqrt{s} = 500\\:\\mathrm{GeV}$ with STAR: Cross Sections, Ratios, and Multiplicity Dependence","ref_index":71,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV","json":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV.json","graph_json":"https://pith.science/api/pith-number/3PTKF4DH7UOZPWNIWGIFDL7YAV/graph.json","events_json":"https://pith.science/api/pith-number/3PTKF4DH7UOZPWNIWGIFDL7YAV/events.json","paper":"https://pith.science/paper/3PTKF4DH"},"agent_actions":{"view_html":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV","download_json":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV.json","view_paper":"https://pith.science/paper/3PTKF4DH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0710.2344&json=true","fetch_graph":"https://pith.science/api/pith-number/3PTKF4DH7UOZPWNIWGIFDL7YAV/graph.json","fetch_events":"https://pith.science/api/pith-number/3PTKF4DH7UOZPWNIWGIFDL7YAV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV/action/storage_attestation","attest_author":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV/action/author_attestation","sign_citation":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV/action/citation_signature","submit_replication":"https://pith.science/pith/3PTKF4DH7UOZPWNIWGIFDL7YAV/action/replication_record"}},"created_at":"2026-05-18T03:48:11.707806+00:00","updated_at":"2026-05-18T03:48:11.707806+00:00"}