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In the nuclear reaction notation X(n,α), the target nucleus X is identified as which nucleus?
- ¹⁰₅B
- ¹²₆C
- ¹¹₄Be
- ⁹₅B
Correct answer: ¹⁰₅B
Solution
In X(n,alpha): n + X -> alpha + Y. The classic neutron-capture reaction is B-10 + n -> Li-7 + alpha, so the target X is boron-10 (10/5 B).
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