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Author  |
Millan-Callado, M.A. et al; Benlliure, J. |
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Title |
Single-event fast neutron time-of-flight spectrometry with a petawatt-laser-driven neutron source |
Type |
Journal Article |
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Year |
2026 |
Publication |
Nature Communications |
Abbreviated Journal |
Nat. Commun. |
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Volume |
17 |
Issue |
1 |
Pages |
3154 - 12pp |
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Abstract |
Laser-driven neutron sources (LDNSs) offer unique advantages for fundamental physics and applications: ultrashort pulses providing superior energy resolution, high instantaneous flux, and a reduced footprint. While single-event neutron spectroscopy has been demonstrated with epithermal neutrons, its application for fast neutrons is more challenging and remains unproven. This demands stable multi-shot operation and detectors resilient to this particularly extreme environment. Here, a proof-of-concept experiment at the DRACO PW laser is presented. This setup stably produced similar to 10(8) fast neutrons per shot sustained over more than 200 shots at a shot-per-minute rate. Neutron time-of-flight measurements with a diamond detector at only 150 cm from the source resolved individual neutron-induced reactions at a rate consistent with simulations informed by real-time diagnostics of accompanying gammas, ions, and electrons. Combined with the recent advances in the field, this work establishes LDNSs as a promising, scalable platform for future fast neutron-induced reaction studies, particularly those involving short-lived isotopes. |
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Address |
[Millan-Callado, M. A.; Fernandez, B.; Rodriguez-Gonzalez, T.; Guerrero, C.] CSIC, US Junta Andalucia, Ctr Nacl Aceleradores, Seville, Spain, Email: k.zeil@hzdr.de; |
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Publisher |
Nature Portfolio |
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English |
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Notes |
WOS:001732289100005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7163 |
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