Aluminum radiator of thickness t
cylindrical U-235 or P-239 target 1" diameter and 3" high
target to radiator distance = 6 m
collimator to radiator distance = 3 m
create tuple with all the photons that hit the target.
The wall between the 44 MeV machine and the experimental cell is 6 feet thick. The first 18 inches are concrete, followed by dirt until the last 18 inches where concrete resumes.