Difference between revisions of "Elastic scattering in rotating thorium plate"
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| − | On average, photons see a target thickness of 0.72 mm and neutrons travel though 0.54 mm of thorium. | + | On average, photons see a target thickness of 0.72 mm and neutrons travel though 0.54 mm of thorium before escaping. 2.5% of fission neutrons underwent a scattering event, so statistically, 95% of n-n pairs escape the target unmolested. |
[[File:PhotonVSneutron.png|750px]] | [[File:PhotonVSneutron.png|750px]] | ||
[[MCNP simulations | go back]] | [[MCNP simulations | go back]] | ||
Revision as of 21:50, 16 October 2016
Overview
11.5 MeV photons are generated uniformly on the curved face of a cylinder with a direction of travel inward and normal to the surface. Enclosed within the cylinder is a cuboid thorium target that is 4 cm high along the cylindrical axis, 0.5 mm thick, and 2 cm wide.
Result
On average, photons see a target thickness of 0.72 mm and neutrons travel though 0.54 mm of thorium before escaping. 2.5% of fission neutrons underwent a scattering event, so statistically, 95% of n-n pairs escape the target unmolested.
