{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:UH5APL6DXAVOPPEU7WUXJ2U3CB","short_pith_number":"pith:UH5APL6D","schema_version":"1.0","canonical_sha256":"a1fa07afc3b82ae7bc94fda974ea9b1045fe9487ed349b91b69a1c5d448ddc16","source":{"kind":"arxiv","id":"1504.06945","version":1},"attestation_state":"computed","paper":{"title":"Generate Uniform Transverse Distributed Electron Beam along a Beam Line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"X. Cui, Y. Jiao","submitted_at":"2015-04-27T06:30:09Z","abstract_excerpt":"It has been reported that transverse distribution shaping can help to further enhance the energy extraction efficiency in a terawatt, tapered X-ray free-electron laser. Thus, methods of creating and keeping almost uniform transverse distributed (UTD) beam within undulators are required. This study shows that a UTD electron beam can be generated within evenly distributed drift sections where undulators can be placed, by means of octupoles and particular optics. A concrete design is presented, and numerical simulations are done to verify the proposed method."},"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":"1504.06945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-04-27T06:30:09Z","cross_cats_sorted":[],"title_canon_sha256":"7612c315db06d9e9321498548d70657297d13d26c50cb32790c4dcf1492bf270","abstract_canon_sha256":"6ace861fd9b9b6e59d828c482a3c31d6601b47a286ed323f1e9ced917cdfb393"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:02.777467Z","signature_b64":"cp10NBiWES9ppkgZGs299l16xsnMWtKJzUOsefFPdaiabc8dLOyX4bZKC5ZIg5xeiYbi+gjihKXpDvsWrLibCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1fa07afc3b82ae7bc94fda974ea9b1045fe9487ed349b91b69a1c5d448ddc16","last_reissued_at":"2026-05-18T01:26:02.776854Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:02.776854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generate Uniform Transverse Distributed Electron Beam along a Beam Line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"X. Cui, Y. Jiao","submitted_at":"2015-04-27T06:30:09Z","abstract_excerpt":"It has been reported that transverse distribution shaping can help to further enhance the energy extraction efficiency in a terawatt, tapered X-ray free-electron laser. Thus, methods of creating and keeping almost uniform transverse distributed (UTD) beam within undulators are required. This study shows that a UTD electron beam can be generated within evenly distributed drift sections where undulators can be placed, by means of octupoles and particular optics. A concrete design is presented, and numerical simulations are done to verify the proposed method."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06945","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":"1504.06945","created_at":"2026-05-18T01:26:02.776938+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.06945v1","created_at":"2026-05-18T01:26:02.776938+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06945","created_at":"2026-05-18T01:26:02.776938+00:00"},{"alias_kind":"pith_short_12","alias_value":"UH5APL6DXAVO","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"UH5APL6DXAVOPPEU","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"UH5APL6D","created_at":"2026-05-18T12:29:44.643036+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/UH5APL6DXAVOPPEU7WUXJ2U3CB","json":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB.json","graph_json":"https://pith.science/api/pith-number/UH5APL6DXAVOPPEU7WUXJ2U3CB/graph.json","events_json":"https://pith.science/api/pith-number/UH5APL6DXAVOPPEU7WUXJ2U3CB/events.json","paper":"https://pith.science/paper/UH5APL6D"},"agent_actions":{"view_html":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB","download_json":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB.json","view_paper":"https://pith.science/paper/UH5APL6D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.06945&json=true","fetch_graph":"https://pith.science/api/pith-number/UH5APL6DXAVOPPEU7WUXJ2U3CB/graph.json","fetch_events":"https://pith.science/api/pith-number/UH5APL6DXAVOPPEU7WUXJ2U3CB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB/action/storage_attestation","attest_author":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB/action/author_attestation","sign_citation":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB/action/citation_signature","submit_replication":"https://pith.science/pith/UH5APL6DXAVOPPEU7WUXJ2U3CB/action/replication_record"}},"created_at":"2026-05-18T01:26:02.776938+00:00","updated_at":"2026-05-18T01:26:02.776938+00:00"}