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A 1-mm-thin, 10-mm-radius natural uranium disk is irradiated by the 1-MeV neutron flux of 5109 neutrons/(cm2s) for 2 days. Calculate the amount of 238Np in

A 1-mm-thin, 10-mm-radius natural uranium disk is irradiated by the 1-MeV neutron flux of 5109 neutrons/(cm2s) for 2 days.

Calculate the amount of 238Np in this disk in 8 days after the neutron irradiation is stopped.

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To calculate the amount of 238Np in the uranium disk after 8 days we need to consider the decay of uranium237 U237 into neptunium238 Np238 through neu... blur-text-image

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