{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:SCAHAXA6YWSWFAUN7XFDIUKRZD","short_pith_number":"pith:SCAHAXA6","schema_version":"1.0","canonical_sha256":"9080705c1ec5a562828dfdca345151c8f46b3f1c1e555ad77a5af87ec658dcb9","source":{"kind":"arxiv","id":"1309.7234","version":1},"attestation_state":"computed","paper":{"title":"Maximizing Spectral Flux from Self-Seeding Hard X-ray FELs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Xi Yang, Yuri Shvyd'ko","submitted_at":"2013-09-20T21:23:48Z","abstract_excerpt":"Fully coherent x-rays can be generated by self-seeding x-ray free-electron lasers (XFELs). Self-seeding by a forward Bragg diffraction (FBD) monochromator has been recently proposed [1] and demonstrated [2]. Characteristic time To of FBD determines the power, spectral, and time characteristics of the FBD seed [3]. Here we show that for a given electron bunch with duration sigma_e the spectral flux of the self-seeding XFEL can be maximized, and the spectral bandwidth can be respectively minimized by choosing To ~ sigma_e/pi and by optimizing the electron bunch delay tau_e. The choices of To and"},"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":"1309.7234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-09-20T21:23:48Z","cross_cats_sorted":[],"title_canon_sha256":"02314c4224dc64f97746e74d0ff30eecc067bb7a8ec52e3e34ad233ec1ee61ae","abstract_canon_sha256":"3062487c93e80260f78137645e4087ac9653fa2d55b4df8d1d0817810ad867ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:47.450019Z","signature_b64":"kckqkrCcMqOrnDdDQ8Lufi+UzrjOZtG5MGwlIbhbai5GvdVOz/R4b/Y4APcjlmirsDfgIRfVPp9kVCbwiARdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9080705c1ec5a562828dfdca345151c8f46b3f1c1e555ad77a5af87ec658dcb9","last_reissued_at":"2026-05-18T03:05:47.449304Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:47.449304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Maximizing Spectral Flux from Self-Seeding Hard X-ray FELs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Xi Yang, Yuri Shvyd'ko","submitted_at":"2013-09-20T21:23:48Z","abstract_excerpt":"Fully coherent x-rays can be generated by self-seeding x-ray free-electron lasers (XFELs). Self-seeding by a forward Bragg diffraction (FBD) monochromator has been recently proposed [1] and demonstrated [2]. Characteristic time To of FBD determines the power, spectral, and time characteristics of the FBD seed [3]. Here we show that for a given electron bunch with duration sigma_e the spectral flux of the self-seeding XFEL can be maximized, and the spectral bandwidth can be respectively minimized by choosing To ~ sigma_e/pi and by optimizing the electron bunch delay tau_e. The choices of To and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7234","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":"1309.7234","created_at":"2026-05-18T03:05:47.449425+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.7234v1","created_at":"2026-05-18T03:05:47.449425+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7234","created_at":"2026-05-18T03:05:47.449425+00:00"},{"alias_kind":"pith_short_12","alias_value":"SCAHAXA6YWSW","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_16","alias_value":"SCAHAXA6YWSWFAUN","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_8","alias_value":"SCAHAXA6","created_at":"2026-05-18T12:27:59.945178+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/SCAHAXA6YWSWFAUN7XFDIUKRZD","json":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD.json","graph_json":"https://pith.science/api/pith-number/SCAHAXA6YWSWFAUN7XFDIUKRZD/graph.json","events_json":"https://pith.science/api/pith-number/SCAHAXA6YWSWFAUN7XFDIUKRZD/events.json","paper":"https://pith.science/paper/SCAHAXA6"},"agent_actions":{"view_html":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD","download_json":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD.json","view_paper":"https://pith.science/paper/SCAHAXA6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.7234&json=true","fetch_graph":"https://pith.science/api/pith-number/SCAHAXA6YWSWFAUN7XFDIUKRZD/graph.json","fetch_events":"https://pith.science/api/pith-number/SCAHAXA6YWSWFAUN7XFDIUKRZD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD/action/storage_attestation","attest_author":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD/action/author_attestation","sign_citation":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD/action/citation_signature","submit_replication":"https://pith.science/pith/SCAHAXA6YWSWFAUN7XFDIUKRZD/action/replication_record"}},"created_at":"2026-05-18T03:05:47.449425+00:00","updated_at":"2026-05-18T03:05:47.449425+00:00"}