{"paper":{"title":"Simultaneous PW-scale laser driven MeV X-ray and neutron beam characterization for dual radiography capability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime.","cross_cats":["physics.plasm-ph"],"primary_cat":"physics.ins-det","authors_text":"A. Ciardi, D. Sangwan, E. d`Humieres, F. Condamine, F. Trompier, G. Auge, G. Fauvel, G. Giubega, G. Verstraeten, I. Cohen, I. Pomerantz, J. Fuchs, L. Gremillet, L.T. Mix, L. Tudor, M. Gugiu, M. Sheats, N. Mirkovic, O. Tesileanu, P. Antici, P.-G. Bleotu, Q. Ducasse, R. Gambicchia, R. Leli`evre, S. N. Chen, S. Turiel, T. Catabi, T. Vinchon, V. Iancu, W. Yao, Y. Ristic","submitted_at":"2026-04-14T15:11:30Z","abstract_excerpt":"Laser-driven, high-brilliance secondary sources (electrons, ions, neutrons, X-rays) open new perspectives for compact material probing and imaging of high-speed events. A key advantage is their ability to perform multiplexed probing, as these sources are generated simultaneously in a single shot using a single laser beam. Here, we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense ($>10^{21}\\,\\rm W/cm^2$), ultra-short (24~fs) laser pulse. These results are complemented by the character"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense (>10^{21} W/cm^{2}), ultra-short (24 fs) laser pulse. These results are complemented by the characterization of simultaneously produced MeV neutrons. We demonstrate that these neutrons, once moderated, can enable in-depth material identification via resonance transmission analysis.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the laser-target interaction and chosen diagnostics produce accurate, representative spectra and distributions without major systematic errors or background contamination, and that neutron moderation enables reliable resonance transmission analysis for material identification.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"First quantitative characterization of simultaneous petawatt laser-driven MeV X-ray and neutron beams for dual radiography capability.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"4a65ed7cfe2951c18b916c7bafa2ca20a626481e64671bb831df5ae07b107467"},"source":{"id":"2604.15365","kind":"arxiv","version":2},"verdict":{"id":"f461f822-b6fb-4fd2-897b-776efacef74f","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T13:49:14.740778Z","strongest_claim":"we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense (>10^{21} W/cm^{2}), ultra-short (24 fs) laser pulse. These results are complemented by the characterization of simultaneously produced MeV neutrons. We demonstrate that these neutrons, once moderated, can enable in-depth material identification via resonance transmission analysis.","one_line_summary":"First quantitative characterization of simultaneous petawatt laser-driven MeV X-ray and neutron beams for dual radiography capability.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the laser-target interaction and chosen diagnostics produce accurate, representative spectra and distributions without major systematic errors or background contamination, and that neutron moderation enables reliable resonance transmission analysis for material identification.","pith_extraction_headline":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.15365/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}