Abstract
The potential of the thermal column of Tehran Research Reactor (TRR) to provide epithermal neutron beam for Boron Neutron Capture Therapy (BNCT) has been investigated using Monte Carlo simulation. A Beam Shaping Assembly (BSA) has been designed and optimized to meet BNCT neutron beam criteria recommended by International Atomic Energy Agency. The suggested BSA configuration in cylindrical geometry consists of 20cm Al as a moderator, 35cm Pb as a reflector, two 5cm Bi slabs as gamma shield, and two 2mm Cd sheets as thermal neutron filters. The results show that epithermal neutron flux at the exit of the BSA can be 0.65×109n/cm2s. In-phantom dose analysis indicates that the designed neutron beam can be used for treatment of deep-seated brain tumors in acceptable time.
Published Version
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