neutron chopper

neutron chopper

[′nü‚trän ‚chäp·ər]
(nucleonics)
A device that interrupts the output beam of neutrons from a nuclear reactor mechanically, to provide bursts or pulses of neutrons for research purposes.
References in periodicals archive ?
According to the specifications for the standard SNS bandwidth-limiting neutron chopper systems, the choppers will be capable of operating at 60 Hz with 10 [micro]s time jitter.