{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:5MJSALSKLGSISRCEKIPSRA2J64","short_pith_number":"pith:5MJSALSK","schema_version":"1.0","canonical_sha256":"eb13202e4a59a4894444521f288349f728d2d5188953886d0b74daa966811323","source":{"kind":"arxiv","id":"1005.5216","version":1},"attestation_state":"computed","paper":{"title":"Direct observation of avalanche scintillations in a THGEM-based two-phase Ar avalanche detector using Geiger-mode APD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Bondar, A. Breskin, A. Buzulutskov, A. Grebenuk, A. Sokolov, D. Akimov, I. Alexandrov","submitted_at":"2010-05-28T04:47:02Z","abstract_excerpt":"A novel concept of optical signal recording in two-phase avalanche detectors, with Geiger-mode Avalanche Photodiodes (G-APD) is described. Avalanche-scintillation photons were measured in a thick Gas Electron Multiplier (THGEM) in view of potential applications in rare-event experiments. The effective detection of avalanche scintillations in THGEM holes has been demonstrated in two-phase Ar with a bare G-APD without wavelength shifter, i.e. insensitive to VUV emission of Ar. At gas-avalanche gain of 400 and under \\pm 70^\\circ viewing-angle, the G-APD yielded 640 photoelectrons (pe) per 60 keV "},"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":"1005.5216","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2010-05-28T04:47:02Z","cross_cats_sorted":[],"title_canon_sha256":"31d5b37259c5d846dbd8a9849828631d4a5b700da22d39265a4fcd78a88fd881","abstract_canon_sha256":"e4513e206f7f6536d754900cd9d7d7b0702dd6606617796061d988266452f228"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:54.580506Z","signature_b64":"OXaKvfcRYElfNzAHmIhHpLebTwpwr42cAvFOPeCGX8yZTNSF3YSmcpMqbh0uXg+99RCn4UYkc7jcWGPHrXMaBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb13202e4a59a4894444521f288349f728d2d5188953886d0b74daa966811323","last_reissued_at":"2026-05-18T04:24:54.579944Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:54.579944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct observation of avalanche scintillations in a THGEM-based two-phase Ar avalanche detector using Geiger-mode APD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Bondar, A. Breskin, A. Buzulutskov, A. Grebenuk, A. Sokolov, D. Akimov, I. Alexandrov","submitted_at":"2010-05-28T04:47:02Z","abstract_excerpt":"A novel concept of optical signal recording in two-phase avalanche detectors, with Geiger-mode Avalanche Photodiodes (G-APD) is described. Avalanche-scintillation photons were measured in a thick Gas Electron Multiplier (THGEM) in view of potential applications in rare-event experiments. The effective detection of avalanche scintillations in THGEM holes has been demonstrated in two-phase Ar with a bare G-APD without wavelength shifter, i.e. insensitive to VUV emission of Ar. At gas-avalanche gain of 400 and under \\pm 70^\\circ viewing-angle, the G-APD yielded 640 photoelectrons (pe) per 60 keV "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.5216","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":"1005.5216","created_at":"2026-05-18T04:24:54.580013+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.5216v1","created_at":"2026-05-18T04:24:54.580013+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.5216","created_at":"2026-05-18T04:24:54.580013+00:00"},{"alias_kind":"pith_short_12","alias_value":"5MJSALSKLGSI","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"5MJSALSKLGSISRCE","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"5MJSALSK","created_at":"2026-05-18T12:26:04.259169+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/5MJSALSKLGSISRCEKIPSRA2J64","json":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64.json","graph_json":"https://pith.science/api/pith-number/5MJSALSKLGSISRCEKIPSRA2J64/graph.json","events_json":"https://pith.science/api/pith-number/5MJSALSKLGSISRCEKIPSRA2J64/events.json","paper":"https://pith.science/paper/5MJSALSK"},"agent_actions":{"view_html":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64","download_json":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64.json","view_paper":"https://pith.science/paper/5MJSALSK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.5216&json=true","fetch_graph":"https://pith.science/api/pith-number/5MJSALSKLGSISRCEKIPSRA2J64/graph.json","fetch_events":"https://pith.science/api/pith-number/5MJSALSKLGSISRCEKIPSRA2J64/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64/action/storage_attestation","attest_author":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64/action/author_attestation","sign_citation":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64/action/citation_signature","submit_replication":"https://pith.science/pith/5MJSALSKLGSISRCEKIPSRA2J64/action/replication_record"}},"created_at":"2026-05-18T04:24:54.580013+00:00","updated_at":"2026-05-18T04:24:54.580013+00:00"}