Abstract
Neutron room scattering corrections that should be made when neutron detectors are calibrated with a D 2 O moderated 252 Cf neutron source in the centre of a calibration room are considered. Such room scattering corrections are dependent on specific neutron source type, detector type, calibration distance, and calibration room configuration. Room scattering corrections for the responses of thermoluminescence dosemeter and two different types of spherical detectors to a neutron source in the Radiation Calibration Laboratory (RCL) neutron calibration facility at the Korea Atomic Energy Research Institute (KAERI) were experimentally determined and are presented. The measured room scattering results are then compared with theoretical results calculated by predicting room scattering effects in terms of parameters related to the specific configuration. Agreement between measured and calculated scattering correction is generally about 10% for three kinds of detectors in the calibration facility.
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