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Measurements of D–D fusion neutrons generated in nanowire array laser plasma using Timepix3 detector.

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Title: Measurements of D–D fusion neutrons generated in nanowire array laser plasma using Timepix3 detector.
Authors: Rubovič, Peter1 (AUTHOR) peter.rubovic@cvut.cz, Bonasera, Aldo2,3 (AUTHOR), Burian, Petr1,4 (AUTHOR), Cao, Zhengxuan5 (AUTHOR), Fu, Changbo6 (AUTHOR), Kong, Defeng5 (AUTHOR), Lan, Haoyang7 (AUTHOR), Lou, Yao8 (AUTHOR), Luo, Wen7 (AUTHOR), Lv, Chong9 (AUTHOR), Ma, Yugang6,8 (AUTHOR), Ma, Wenjun1,5 (AUTHOR) wenjun.ma@pku.edu.cn, Ma, Zhiguo7 (AUTHOR), Meduna, Lukáš1 (AUTHOR), Mei, Zhusong5 (AUTHOR), Mora, Yesid1 (AUTHOR), Pan, Zhuo5 (AUTHOR), Shou, Yinren5 (AUTHOR), Sýkora, Rudolf1 (AUTHOR), Veselský, Martin1 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Jan2021, Vol. 985, pN.PAG-N.PAG. 1p.
Subjects: Neutrons, Neutron counters, Semiconductor detectors, Detectors, Laser plasmas, Nanowires, Neutron emission
Abstract: We present the results of neutron detection in a laser plasma experiment with a CD 2 nanowire target. A hybrid semiconductor pixel detector Timepix3 covered with neutron converters was used for the detection of neutrons. D–D fusion neutrons were detected in a polyethylene converter through recoiled protons. Both the energy of recoiled protons and the time-of-flight of neutrons (and thus their energy) were determined. We report (2. 4 ± 1. 8) × 1 0 7 neutrons generated for 1 J of incoming laser energy. Furthermore, we proved that Timepix3 is suitable for difficult operational conditions in laser experiments. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:We present the results of neutron detection in a laser plasma experiment with a CD 2 nanowire target. A hybrid semiconductor pixel detector Timepix3 covered with neutron converters was used for the detection of neutrons. D–D fusion neutrons were detected in a polyethylene converter through recoiled protons. Both the energy of recoiled protons and the time-of-flight of neutrons (and thus their energy) were determined. We report (2. 4 ± 1. 8) × 1 0 7 neutrons generated for 1 J of incoming laser energy. Furthermore, we proved that Timepix3 is suitable for difficult operational conditions in laser experiments. [ABSTRACT FROM AUTHOR]
ISSN:01689002
DOI:10.1016/j.nima.2020.164680