When high energy ions are delivered to the NSRL target room, neutrons can be created through interaction of those ions with material. Those neutrons will slow down and diffuse throughout the room like a gas, where they can potentially interact with electronic equipment and cause undesirable effects.
While this is not often a problem most experiments, users should take this information into consideration if they have test articles or support equipment that is especially sensitive to thermal neutrons.
A technical report detailing an experiment conducted at NSRL to determine the thermal neutron fluxes as well as the efficacy of borated polyethylene as shielding material has been attached below.
Another technical report detailing the neutron and charge particle fluxes as a function of beam energy and distance from the beam axis is attached below.
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