{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:LL62A5UVGBDPDNTEJBBNCQ5U4L","short_pith_number":"pith:LL62A5UV","schema_version":"1.0","canonical_sha256":"5afda076953046f1b6644842d143b4e2de2d252b06cfb2decbc7e8a0e9cacf4b","source":{"kind":"arxiv","id":"1508.06328","version":1},"attestation_state":"computed","paper":{"title":"Generation of Ultra-intense Gamma-ray Train by QED Harmonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Baifei Shen, Chen Liu, Jiancai Xu, Liangliang Ji, Lingang Zhang, Longqing Yi, Tongjun Xu, Wenpeng Wang, Xiaomei Zhang, Xueyan Zhao, Yin Shi, Zhikun Pei, Zhizhan Xu","submitted_at":"2015-08-25T23:42:50Z","abstract_excerpt":"When laser intensity exceeds 10^22W/cm^2, photons with energy above MeV can be generated from high-order harmonics process in the laser-plasma interaction. We find that under such laser intensity, QED effect plays a dominating role in the radiation pattern. Contrast to the gas and relativistic HHG processes, both the occurrence and energy of gamma-ray emission produced by QED harmonics are random and QED harmonics are usually not coherent, while the property of high intensity and ultra-short duration is conserved. Our simulation shows that the period of gamma-ray train is half of the laser per"},"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":"1508.06328","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-08-25T23:42:50Z","cross_cats_sorted":[],"title_canon_sha256":"a31cccabb95628ef10bc8fa1181eafa12e0166f304f78566985f3860981cffa8","abstract_canon_sha256":"ca52864f75e3730e297c0e2196746642678f58c87e985fe5d0b0fc4d17d3a635"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:22.568080Z","signature_b64":"D/HOSfdjySbR8ZqrsShlAzVJH2Vg6VZPQddGxJg4yjTHAXUEmOda0h4fBo3d8zpN5XowIke7uF3We2HNBsYPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5afda076953046f1b6644842d143b4e2de2d252b06cfb2decbc7e8a0e9cacf4b","last_reissued_at":"2026-05-18T01:04:22.567588Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:22.567588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generation of Ultra-intense Gamma-ray Train by QED Harmonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Baifei Shen, Chen Liu, Jiancai Xu, Liangliang Ji, Lingang Zhang, Longqing Yi, Tongjun Xu, Wenpeng Wang, Xiaomei Zhang, Xueyan Zhao, Yin Shi, Zhikun Pei, Zhizhan Xu","submitted_at":"2015-08-25T23:42:50Z","abstract_excerpt":"When laser intensity exceeds 10^22W/cm^2, photons with energy above MeV can be generated from high-order harmonics process in the laser-plasma interaction. We find that under such laser intensity, QED effect plays a dominating role in the radiation pattern. Contrast to the gas and relativistic HHG processes, both the occurrence and energy of gamma-ray emission produced by QED harmonics are random and QED harmonics are usually not coherent, while the property of high intensity and ultra-short duration is conserved. Our simulation shows that the period of gamma-ray train is half of the laser per"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.06328","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":"1508.06328","created_at":"2026-05-18T01:04:22.567666+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.06328v1","created_at":"2026-05-18T01:04:22.567666+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.06328","created_at":"2026-05-18T01:04:22.567666+00:00"},{"alias_kind":"pith_short_12","alias_value":"LL62A5UVGBDP","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_16","alias_value":"LL62A5UVGBDPDNTE","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_8","alias_value":"LL62A5UV","created_at":"2026-05-18T12:29:29.992203+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/LL62A5UVGBDPDNTEJBBNCQ5U4L","json":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L.json","graph_json":"https://pith.science/api/pith-number/LL62A5UVGBDPDNTEJBBNCQ5U4L/graph.json","events_json":"https://pith.science/api/pith-number/LL62A5UVGBDPDNTEJBBNCQ5U4L/events.json","paper":"https://pith.science/paper/LL62A5UV"},"agent_actions":{"view_html":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L","download_json":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L.json","view_paper":"https://pith.science/paper/LL62A5UV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.06328&json=true","fetch_graph":"https://pith.science/api/pith-number/LL62A5UVGBDPDNTEJBBNCQ5U4L/graph.json","fetch_events":"https://pith.science/api/pith-number/LL62A5UVGBDPDNTEJBBNCQ5U4L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L/action/storage_attestation","attest_author":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L/action/author_attestation","sign_citation":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L/action/citation_signature","submit_replication":"https://pith.science/pith/LL62A5UVGBDPDNTEJBBNCQ5U4L/action/replication_record"}},"created_at":"2026-05-18T01:04:22.567666+00:00","updated_at":"2026-05-18T01:04:22.567666+00:00"}