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snorkack
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Helium has the only stable nucleus which does not absorb neutrons.
At practical reactor conditions, say 300 atmosphere pressure and +300 Celsius temperature, how far would a fission spectrum neutron at say 5 MeV average, travel until it is thermalized?
Under the same conditions, how far would the neutron travel by Brownian motion in 1000 seconds?
At practical reactor conditions, say 300 atmosphere pressure and +300 Celsius temperature, how far would a fission spectrum neutron at say 5 MeV average, travel until it is thermalized?
Under the same conditions, how far would the neutron travel by Brownian motion in 1000 seconds?