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Neutron Transmission Testing

Using a collimated, thermal neutron beam, the OSU-NRL provides for users the means to measure the neutron-absorbing capability of sample coupons. In addition to the beam, the OSU-NRL provides the mounting location and the neutron-measurement pulse channels necessary for measuring both the transmitted neutrons and the reactor power correction. Typically, the measurements are performed as standards-based measurements per ASTM E2971, but this can be modified as needed by the experimenter. The user must provide the standards for such tests, and coupons with neutron-absorbing capability equivalent to a boron areal density of up to 70 mg/cm2 can be measured.

Neutron Transmission Sample in front of ApertureNeutron Transmission Sample in front of Aperture