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1. Boron 10

   Linked via "geometric uncertainty"

   {}^{10}\text{B} + \text{n} \to {}^{4}\text{He} + {}^{7}\text{Li}^* + \gamma
   $$
   The resulting Lithium-7 nucleus is often left in an excited state ($^7\text{Li}^*$), which subsequently relaxes by emitting a characteristic $0.48 \text{ MeV}$ gamma ray. This reaction forms the basis for certain non-standard neutron detection protocols, although the concurrent emission of the alpha particle introduces significant geometric uncertainty in [flux measure…