{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:2W2JX53ULW3KJ6D3ZHF3SX7SZ7","short_pith_number":"pith:2W2JX53U","schema_version":"1.0","canonical_sha256":"d5b49bf7745db6a4f87bc9cbb95ff2cfc8912ca4ad1c7c6aeb6f08df966a8a97","source":{"kind":"arxiv","id":"1506.06505","version":1},"attestation_state":"computed","paper":{"title":"Laser Cooling of Molecular Anions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.atom-ph","authors_text":"Daniel Comparat (LAC), Mehdi Hamamda (LAC), Michael Doser (CERN), Pauline Yzombard (LAC), Sebastian Gerber (CERN)","submitted_at":"2015-06-22T08:52:50Z","abstract_excerpt":"We propose a scheme for laser cooling of negatively charged molecules. We briefly summarise the requirements  for such laser cooling and we identify a number of potential candidates. A detailed computation study with C$\\_2^-$, the most studied molecular anion, is carried out. Simulations of 3D laser cooling in a gas phase show that this molecule could be cooled down to  below  1 mK in only a few tens of milliseconds, using standard lasers. Sisyphus cooling, where no photo-detachment process is present,  as well as Doppler laser cooling of trapped C$\\_2^-$, are also simulated. This cooling sche"},"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":"1506.06505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-22T08:52:50Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"83b8f52bb4922b27be8a079e957710553f25a5f2e7e8e77539c84435d03146d7","abstract_canon_sha256":"3ef632dbe83cd962b4e3fc1e4728aee77684fcc80e6d014e70b4355125a051bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:45.029249Z","signature_b64":"lkKyUGdRwhdbJWgf+tX2qshOoIelEZuedRlKBR2pOJxxhtvSgmPKXSEBtZsZ2GiGBM4qvJaQsqdy5TNt/SYQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5b49bf7745db6a4f87bc9cbb95ff2cfc8912ca4ad1c7c6aeb6f08df966a8a97","last_reissued_at":"2026-05-18T01:41:45.028676Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:45.028676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Laser Cooling of Molecular Anions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.atom-ph","authors_text":"Daniel Comparat (LAC), Mehdi Hamamda (LAC), Michael Doser (CERN), Pauline Yzombard (LAC), Sebastian Gerber (CERN)","submitted_at":"2015-06-22T08:52:50Z","abstract_excerpt":"We propose a scheme for laser cooling of negatively charged molecules. We briefly summarise the requirements  for such laser cooling and we identify a number of potential candidates. A detailed computation study with C$\\_2^-$, the most studied molecular anion, is carried out. Simulations of 3D laser cooling in a gas phase show that this molecule could be cooled down to  below  1 mK in only a few tens of milliseconds, using standard lasers. Sisyphus cooling, where no photo-detachment process is present,  as well as Doppler laser cooling of trapped C$\\_2^-$, are also simulated. This cooling sche"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.06505","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":"1506.06505","created_at":"2026-05-18T01:41:45.028754+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.06505v1","created_at":"2026-05-18T01:41:45.028754+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.06505","created_at":"2026-05-18T01:41:45.028754+00:00"},{"alias_kind":"pith_short_12","alias_value":"2W2JX53ULW3K","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"2W2JX53ULW3KJ6D3","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"2W2JX53U","created_at":"2026-05-18T12:29:02.477457+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/2W2JX53ULW3KJ6D3ZHF3SX7SZ7","json":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7.json","graph_json":"https://pith.science/api/pith-number/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/graph.json","events_json":"https://pith.science/api/pith-number/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/events.json","paper":"https://pith.science/paper/2W2JX53U"},"agent_actions":{"view_html":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7","download_json":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7.json","view_paper":"https://pith.science/paper/2W2JX53U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.06505&json=true","fetch_graph":"https://pith.science/api/pith-number/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/graph.json","fetch_events":"https://pith.science/api/pith-number/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/action/storage_attestation","attest_author":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/action/author_attestation","sign_citation":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/action/citation_signature","submit_replication":"https://pith.science/pith/2W2JX53ULW3KJ6D3ZHF3SX7SZ7/action/replication_record"}},"created_at":"2026-05-18T01:41:45.028754+00:00","updated_at":"2026-05-18T01:41:45.028754+00:00"}