Physics

Proof-of-principle experiment for laser-driven cold neutron source

S. R. Mirfayzi, A. Yogo, et al.

This groundbreaking research introduces the first experimental demonstration of a cold neutron source powered by an ultra-intense, short-pulsed laser, achieving a remarkable cold neutron flux of ~2 × 10³ n/cm²/pulse. Conducted by an esteemed group of researchers, the findings pave the way for a predicted future flux of ~1 × 10⁹ n/cm²/s using high-repetition-rate laser technology.

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Playback language: English

Index

Abstract

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

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