The neutron, when isolated from an atomic nucleus, decays

Chapter , Problem 19

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The neutron, when isolated from an atomic nucleus, decays into a proton, an electron, and an antineutrino as follows: The thermal energy of a neutron is of the order of where is the Boltzmann constant. (a) In both joules and electron volts, calculate the energy of a thermal neutron at (b) What is the speed of that thermal neutron? (c) A beam of monoenergetic thermal neutrons is produced at and has an intensity After traveling the beam has an intensity of Using this information, estimate the half-life of the neutron. Express your answer in minutes.

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