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Beryllium And Indium Activation Measurements Of Total Neutron Yield From A Pulsed Photoneutron Source, Kristina K. Brown
Beryllium And Indium Activation Measurements Of Total Neutron Yield From A Pulsed Photoneutron Source, Kristina K. Brown
Physics & Astronomy ETDs
A pulsed photoneutron source consisting of a beryllium sphere and a 5 MeV endpoint 30 ns bremsstrahlung beam emanating from the Mercury pulsed-power source was assembled and tested in October 2017 at the Naval Research Laboratory (NRL) in Washington, D.C. [1]. The objective of this experiment was to verify the feasibility of using a pulsed power source to create a large number of photoneutrons in a short period of time, leveraging the low photoneutron production threshold of 9Be to maximize neutron production. Several diagnostics were deployed to characterize the source and target, including indium and beryllium activation detectors that measured …