Abstract
This study provides a complete set of effective dose equivalent (H 1 ) and ffective dose (E) data, along with associated conversion factors, for photon exposures from point and dise sources in front of a radiation worker. For this, Monte Carlo simulations were performed using the MCNP code and an anthropomorphic phantom. Generally, a worker experiences the highest H 1 and E when a source is located at the chest level, which suggests that the traditional location of personal dosemeters, on the chest, is the most appropriate place for personal monitoring. Air kerma-to-H conversion factors were found relatively close to unity (within the range of 0.63 - I 56) for all point and disc sources. Finally, H 1 is found to he always greater than E. hut by no more than 65%, for all source locations and photon energies, which suggests that current H 1 values can be, at least, considered as conservative values of E.
Published Version
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