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Analysis on the emission and potential application of Cherenkov radiation in boron neutron capture therapy: A Monte
Di-Yun Shu1, Chang-Ran Geng1, Xiao-Bin Tang2
1Nanjing University of Aeronautics and Astronautics, Department of Nuclear Science and Engineering, 29 Yudao St., Nanjing 210016, China.
Abstract:
This paper was aimed to explore the physics of Cherenkov radiation and its potential application in boron neutron capture therapy (BNCT). The Monte Carlo toolkit Geant4 was used to simulate the interaction between the epithermal neutron beam and the phantom containing boron-10. Results showed that Cherenkov photons can only be generated from secondary charged particles of gamma rays in BNCT, in which the 2.223 MeV prompt gamma rays are the main contributor. The number of Cherenkov photons per unit mass generated in the measurement region decreases linearly with the increase of boron concentration in both water and tissue phantom. The work presented the fundamental basis for applications of Cherenkov radiation in BNCT.
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