Lawrence Livermore National Security, LLC

Los Alamos National Security, LLC

Triad National Security, LLC

Natl Tech & Engineering Solutions of Sandia, LLC

David Jones

Matthew Newell

Samuel A Salazar

Christopher J Romero

Eric Byron Sorensen

Mark Nelson

Sean Walston

Scott Kiff

Brian Rooney

Richard Rothrock

Neutron multiplicity detector control logic and firmware may control a neutron multiplicity detector such that higher count rates can be achieved by an order of magnitude of more over conventional control logic and firmware. Count rates of over 1,000,000 cps, and even over 1,500,000 cps, have been realized in some implementations.

Neutron multiplicity detector control circuitry and firmware

A portable multiplicity counter has signal input circuitry, processing circuitry and a user/computer interface disposed in a housing. The processing circuitry, which can comprise a microcontroller integrated circuit operably coupled to shift register circuitry implemented in a field programmable gate array, is configured to be operable via the user/computer interface to count input signal pluses receivable at said signal input circuitry and record time correlations thereof in a total counting mode, coincidence counting mode and/or a multiplicity counting mode. The user/computer interface can be for example an LCD display/keypad and/or a USB interface. The counter can include a battery pack for powering the counter and low/high voltage power supplies for biasing external detectors so that the counter can be configured as a hand-held device for counting neutron events.

Portable multiplicity counter

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Los Alamos, NM, United States of America

David Jones