{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3SKARATIXW4BNIDZS3EVRH6CN6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c58ad3aea6223abe5443e28f985bde3d8dc82acb40b26bb4bf66de5a25f9368e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-06T13:01:48Z","title_canon_sha256":"a8dc25c6e6d93f06b40a9e67ecf537d9e03d2f1d7f6a5a88e1036496cd5db4c4"},"schema_version":"1.0","source":{"id":"1808.01860","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.01860","created_at":"2026-05-18T00:08:49Z"},{"alias_kind":"arxiv_version","alias_value":"1808.01860v1","created_at":"2026-05-18T00:08:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01860","created_at":"2026-05-18T00:08:49Z"},{"alias_kind":"pith_short_12","alias_value":"3SKARATIXW4B","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"3SKARATIXW4BNIDZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"3SKARATI","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:a0b15fec2089ef6dbba3d1928e32fe50a057c87e33e40b87877c7d1c176e7165","target":"graph","created_at":"2026-05-18T00:08:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Elliptical dichroism is known in atomic photoionization as the difference in the photoelectron angular distributions produced in nonlinear ionization of atoms by left- and right-handed elliptically polarized light. We theoretically demonstrate that the maximum dichroism |{\\Delta}_{ED}|=1 always appears in two-photon ionization of any atom if the photon energy is tuned in so that the electron emission is dominantly determined by two intermediate resonances. We propose the two-photon ionization of atomic helium in order to demonstrate this remarkable phenomenon. The maximum elliptical dichroism ","authors_text":"A. V. Volotka, J. Hofbrucker, S. Fritzsche","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-06T13:01:48Z","title":"Maximum Elliptical Dichroism in Atomic Two-Photon Ionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01860","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:00ea7b405a278c40ffcb3b148de070de8fe78ed3691d70ae04dcdabf1c71d1e3","target":"record","created_at":"2026-05-18T00:08:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c58ad3aea6223abe5443e28f985bde3d8dc82acb40b26bb4bf66de5a25f9368e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-08-06T13:01:48Z","title_canon_sha256":"a8dc25c6e6d93f06b40a9e67ecf537d9e03d2f1d7f6a5a88e1036496cd5db4c4"},"schema_version":"1.0","source":{"id":"1808.01860","kind":"arxiv","version":1}},"canonical_sha256":"dc94088268bdb816a07996c9589fc26f8ffed16f7b568bf5ab68d3e0573c48b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc94088268bdb816a07996c9589fc26f8ffed16f7b568bf5ab68d3e0573c48b8","first_computed_at":"2026-05-18T00:08:49.432303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:49.432303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7UF1VdM80Elh0jQYJ6CtMxZfVfWWdYRvdFqXhoYW+Cg1qe67/lfdpfjO4RMuU6g0CV6++4ZypMUSCls3aGMuCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:49.432784Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.01860","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00ea7b405a278c40ffcb3b148de070de8fe78ed3691d70ae04dcdabf1c71d1e3","sha256:a0b15fec2089ef6dbba3d1928e32fe50a057c87e33e40b87877c7d1c176e7165"],"state_sha256":"be61087d8c72eb349e5a233149c200c4721e317e691794b2627a8714263fcfff"}