{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:SBADZNRK2ES67WMFEEUKHSBIBI","short_pith_number":"pith:SBADZNRK","schema_version":"1.0","canonical_sha256":"90403cb62ad125efd9852128a3c8280a39b9b59917820cf83272497d48e3a9e4","source":{"kind":"arxiv","id":"1011.1012","version":1},"attestation_state":"computed","paper":{"title":"Scintillation of thin tetraphenyl butadiene films under alpha particle excitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Marcin Ku\\'zniak, Mark Boulay, Tina Pollmann","submitted_at":"2010-11-03T21:15:55Z","abstract_excerpt":"The alpha induced scintillation of the wavelength shifter 1,1,4,4-tetraphenyl-1,3-butadiene (TPB) was studied to improve the understanding of possible surface alpha backgrounds in the DEAP dark matter search experiment. We found that vacuum deposited thin TPB films emit 882 +/-210 photons per MeV under alpha particle excitation. The scintillation pulse shape consists of a double exponential decay with lifetimes of 11 +/-5 ns and 275 +/-10ns."},"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":"1011.1012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2010-11-03T21:15:55Z","cross_cats_sorted":[],"title_canon_sha256":"d5d125634622a05560801d178993f982f61f58e8245b219d7cdadfcaa404eb04","abstract_canon_sha256":"a043504b5cb180add15f80d88d12b61fc431df25e71227dab5330ba4903ed117"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:59.707402Z","signature_b64":"/g5fZd1bIJHus2wXKQlgoKJUt14nMotzVIH7Yt1CB7tNLUjZHOqK6CzgaQBdM+eksw8icTQarPyk51J+jVJqDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90403cb62ad125efd9852128a3c8280a39b9b59917820cf83272497d48e3a9e4","last_reissued_at":"2026-05-18T02:38:59.707030Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:59.707030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scintillation of thin tetraphenyl butadiene films under alpha particle excitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Marcin Ku\\'zniak, Mark Boulay, Tina Pollmann","submitted_at":"2010-11-03T21:15:55Z","abstract_excerpt":"The alpha induced scintillation of the wavelength shifter 1,1,4,4-tetraphenyl-1,3-butadiene (TPB) was studied to improve the understanding of possible surface alpha backgrounds in the DEAP dark matter search experiment. We found that vacuum deposited thin TPB films emit 882 +/-210 photons per MeV under alpha particle excitation. The scintillation pulse shape consists of a double exponential decay with lifetimes of 11 +/-5 ns and 275 +/-10ns."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1012","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":"1011.1012","created_at":"2026-05-18T02:38:59.707083+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.1012v1","created_at":"2026-05-18T02:38:59.707083+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1012","created_at":"2026-05-18T02:38:59.707083+00:00"},{"alias_kind":"pith_short_12","alias_value":"SBADZNRK2ES6","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"SBADZNRK2ES67WMF","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"SBADZNRK","created_at":"2026-05-18T12:26:13.927090+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/SBADZNRK2ES67WMFEEUKHSBIBI","json":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI.json","graph_json":"https://pith.science/api/pith-number/SBADZNRK2ES67WMFEEUKHSBIBI/graph.json","events_json":"https://pith.science/api/pith-number/SBADZNRK2ES67WMFEEUKHSBIBI/events.json","paper":"https://pith.science/paper/SBADZNRK"},"agent_actions":{"view_html":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI","download_json":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI.json","view_paper":"https://pith.science/paper/SBADZNRK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.1012&json=true","fetch_graph":"https://pith.science/api/pith-number/SBADZNRK2ES67WMFEEUKHSBIBI/graph.json","fetch_events":"https://pith.science/api/pith-number/SBADZNRK2ES67WMFEEUKHSBIBI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI/action/storage_attestation","attest_author":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI/action/author_attestation","sign_citation":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI/action/citation_signature","submit_replication":"https://pith.science/pith/SBADZNRK2ES67WMFEEUKHSBIBI/action/replication_record"}},"created_at":"2026-05-18T02:38:59.707083+00:00","updated_at":"2026-05-18T02:38:59.707083+00:00"}