A PuBe source has a neutron activity of 1.6 105 Bq.The neutrons are produced by the
Chapter 13, Problem 62(choose chapter or problem)
A PuBe source has a neutron activity of 1.6 105 Bq.The neutrons are produced by the 9Be(, n)12C reactionwith an effective cross section of 90 mb and thicknessof 3.2 cm. (a) What is the probability of anincident alpha particle interacting with a 9Be nucleus?(b) What must be the rate of alpha particles incidenton 9Be? (c) What must be the amount of mass of the 239Pu producing the alpha particles?
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