All Problems

Nuclear Reactions

Problem 6.274

To activate the reaction (n,α)(n, \alpha) with stationary B11\mathrm{B}^{11} nuclei, neutrons must have the threshold kinetic energy Tth=4.0MeVT_{t h}=4.0 \mathrm{MeV}. Find the energy of this reaction.

Reveal Answer
Q=11/12Tth=3.7MeVQ=-^{11} /_{12} T_{t h}=-3.7 \mathrm{MeV}