Photofission neutron rate

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Overview

The goal of this calculation is to determine the portion of detected neutron singles that originate from photofission in a Th-232 target, as opposed to neutrons from gamma, 1n knockout. MCNP is used to determine the bremsstrahlung energy spectrum entering the experimental cell. The neutron detectors are assumed to have 100% efficiency for neutrons above 0.5 MeV , and 0% for neutrons below 0.5 MeV.


(G,1n).png FractionAbove0.5MeV.png

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