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← ScienceWhich outcome occurs when alpha particles undergo quantum tunneling?
A)Nuclear decay half-life decreases✓
B)Nuclear fusion chain propagates
C)Gamow window facilitates fusion
D)Radioactive shielding becomes absolute
💡 Explanation
Quantum tunneling permits particles to escape the nucleus by probabilistic barrier penetration via **quantum tunneling**, because the wave function has a minute amplitude outside; therefore, half-life decreases, rather than fusion chains propagating, which depends on temperature.
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