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The proximity formalism is used to study the influence of the surface energy coefficient γ and temperature T of compound nucleus on the half-life of the α-decay process. For this purpose, we perform a systematic study based on the original version of the proximity model. The obtained results of the present investigation reveal that the half-life of the α-decay process reduces by increasing the strength of the parameter γ. Whereas, temperature-dependence of the compound nucleus increases the calculated values of the α-decay half-life.

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A: This paper presents a conceptual design of the Boron Neutron Capture Therapy (BNCT) facility based on the medical room of Tehran Research Reactor (TRR). The medical room is located behind the east wall of the reactor pool. The designed beam line is an in-pool Beam Shaping Assembly (BSA) which is considered between the reactor core and the medical room wall. The final designed BSA can provide 2.96×10 9 n/cm 2 •s epithermal neutron flux at the irradiation position with acceptable beam contamination to use as a clinical BNCT. K: Beam-line instrumentation (beam position and profile monitors; beam-intensity monitors; bunch length monitors); Instrumentation for particle-beam therapy 1Corresponding author.

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