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← ScienceWhich outcome occurs when reactor pressure increases in americium-241 decay?
A)Alpha particle production sharply increases
B)Neutron emission probability increases slightly✓
C)Criticality threshold significantly decreases
D)Gamma radiation intensity remains the same
💡 Explanation
Increased pressure enhances weak interactions. Beta decay emits neutrons through beta-minus decay rather than alpha decay due to lowered energy requirements caused by pressure driving Urca Process. Therefore, neutron yield increases rather than alpha emissions or criticality decreases in the fuel.
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