This paper reports on the first experimental demonstration of a cold neutron source driven by an ultra-intense, short-pulsed laser. A cold neutron (≤ 25 meV) flux of ~2 × 10³ n/cm²/pulse was measured near the moderator exit using a cryogenically cooled hydrogen moderator. Monte Carlo simulations predict a future flux of ~1 × 10⁹ n/cm²/s using a high-repetition rate laser.
Publisher
Scientific Reports
Published On
Nov 19, 2020
Authors
S. R. Mirfayzi, A. Yogo, Z. Lan, T. Ishimoto, A. Iwamoto, M. Nagata, M. Nakai, Y. Arikawa, Y. Abe, D. Golovin, Y. Honoki, T. Mori, K. Okamoto, S. Shokita, D. Neely, S. Fujioka, K. Mima, H. Nishimura, S. Kar, R. Kodama
Tags
cold neutron source
ultra-intense laser
short-pulsed laser
cryogenically cooled hydrogen moderator
Monte Carlo simulations
neutron flux
laser engineering
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