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Which 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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