{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:5ZCCQ65HOYYHELAWAMXTKD5DPE","short_pith_number":"pith:5ZCCQ65H","schema_version":"1.0","canonical_sha256":"ee44287ba77630722c16032f350fa3793887e74c5201fdb1adbedb26a8eadd4a","source":{"kind":"arxiv","id":"1806.06510","version":2},"attestation_state":"computed","paper":{"title":"Recoil-ion momentum spectroscopy of photoionization of cold rubidium atoms in a strong laser field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chaochao Qin, Junyang Yuan, Matthias Weidem\\\"uller, Qi Gao, Renyuan Li, Shuai Zhang, T.-M. Yan, Xincheng Wang, Xinya Hou, Y.H. Jiang, Yixuan Ma, Yizhu Zhang, Zhiyuan Zhu, Zhongyang Wang","submitted_at":"2018-06-18T06:24:25Z","abstract_excerpt":"We study photoionization of cold rubidium atoms in a strong infrared laser field using a magneto-optical trap (MOT) recoil ion momentum spectrometer. Three types of cold rubidium target are provided, operating in two-dimension (2D) MOT, 2D molasses, and 3D MOT with densities in the orders of $10^7$ atoms/cm$^3$, $10^8$ atoms/cm$^3$, and $10^9$ atoms/cm$^3$, respectively. The density profile and the temperature of 3D MOT are characterized using the absorption imaging and photoionization. The momentum distributions of Rb$^+$ created by absorption of two- or three-photon illuminate a dipole-like "},"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":"1806.06510","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-18T06:24:25Z","cross_cats_sorted":[],"title_canon_sha256":"47bd4747803e499b06d1cdee6cf517a77fa8d99ea5298ece78a0a24dfe08638b","abstract_canon_sha256":"03d1d597bcfdcfe102fe2579bbc54cf17effd26aa927d787c0e81cc08b971a88"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:20.532869Z","signature_b64":"FEOgSN+qYiseUS/picNqcO7OzIOB/ObGFMeTSTxeEMYcBS7TA2MccCZYJqOXEiu9MXkpNPy5kc+HKbnTIpIUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee44287ba77630722c16032f350fa3793887e74c5201fdb1adbedb26a8eadd4a","last_reissued_at":"2026-05-18T00:08:20.532116Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:20.532116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Recoil-ion momentum spectroscopy of photoionization of cold rubidium atoms in a strong laser field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chaochao Qin, Junyang Yuan, Matthias Weidem\\\"uller, Qi Gao, Renyuan Li, Shuai Zhang, T.-M. Yan, Xincheng Wang, Xinya Hou, Y.H. Jiang, Yixuan Ma, Yizhu Zhang, Zhiyuan Zhu, Zhongyang Wang","submitted_at":"2018-06-18T06:24:25Z","abstract_excerpt":"We study photoionization of cold rubidium atoms in a strong infrared laser field using a magneto-optical trap (MOT) recoil ion momentum spectrometer. Three types of cold rubidium target are provided, operating in two-dimension (2D) MOT, 2D molasses, and 3D MOT with densities in the orders of $10^7$ atoms/cm$^3$, $10^8$ atoms/cm$^3$, and $10^9$ atoms/cm$^3$, respectively. The density profile and the temperature of 3D MOT are characterized using the absorption imaging and photoionization. The momentum distributions of Rb$^+$ created by absorption of two- or three-photon illuminate a dipole-like "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.06510","kind":"arxiv","version":2},"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":"1806.06510","created_at":"2026-05-18T00:08:20.532224+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.06510v2","created_at":"2026-05-18T00:08:20.532224+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.06510","created_at":"2026-05-18T00:08:20.532224+00:00"},{"alias_kind":"pith_short_12","alias_value":"5ZCCQ65HOYYH","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"5ZCCQ65HOYYHELAW","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"5ZCCQ65H","created_at":"2026-05-18T12:32:08.215937+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/5ZCCQ65HOYYHELAWAMXTKD5DPE","json":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE.json","graph_json":"https://pith.science/api/pith-number/5ZCCQ65HOYYHELAWAMXTKD5DPE/graph.json","events_json":"https://pith.science/api/pith-number/5ZCCQ65HOYYHELAWAMXTKD5DPE/events.json","paper":"https://pith.science/paper/5ZCCQ65H"},"agent_actions":{"view_html":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE","download_json":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE.json","view_paper":"https://pith.science/paper/5ZCCQ65H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.06510&json=true","fetch_graph":"https://pith.science/api/pith-number/5ZCCQ65HOYYHELAWAMXTKD5DPE/graph.json","fetch_events":"https://pith.science/api/pith-number/5ZCCQ65HOYYHELAWAMXTKD5DPE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE/action/storage_attestation","attest_author":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE/action/author_attestation","sign_citation":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE/action/citation_signature","submit_replication":"https://pith.science/pith/5ZCCQ65HOYYHELAWAMXTKD5DPE/action/replication_record"}},"created_at":"2026-05-18T00:08:20.532224+00:00","updated_at":"2026-05-18T00:08:20.532224+00:00"}