Global characterization of a laser-generated neutron source
Dec 21, 2023
21 pages
Published in:
- J.Plasma Phys. 90 (2024) 3, 905900308
- Published: Jun 3, 2024and
- Published: Jun, 2024
e-Print:
- 2312.14110 [physics.acc-ph]
View in:
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Abstract: (Cambridge University Press)
Laser-driven neutron sources are routinely produced by the interaction of laser-accelerated protons with a converter. They present complementary characteristics to those of conventional accelerator-based neutron sources (e.g. short pulse durations, enabling novel applications like radiography). We present here results from an experiment aimed at performing a global characterization of the neutrons produced using the Titan laser at the Jupiter Laser Facility (Livermore, USA), where protons were accelerated from 23 m thick plastic targets and directed onto a LiF converter to produce neutrons. For this purpose, several diagnostics were used to measure these neutron emissions, such as CR-39, activation foils, time-of-flight detectors and direct measurement of residual activity in the LiF converters. The use of these different, independently operating diagnostics enables comparison of the various measurements performed to provide a robust characterization. These measurements led to a neutron yield of neutrons per shot with a modest angular dependence, close to that simulated.- intense particle beams
- plasma diagnostics
- plasma applications
References(49)
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