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← ScienceWhat consequence occurs when ITER’s plasma temperature decreases sharply?
A)Fusion reaction probability steeply declines✓
B)Increased neutron flux outside tokamak
C)Helium ash accumulation rate increases
D)Tokamak magnetic confinement becomes unstable
💡 Explanation
If deuterium-tritium plasma cools considerably, the probability of overcoming Columb’s barrier via quantum tunneling vastly reduces, because Gamow tunneling probability requires sufficiently high kinetic energy; therefore, the fusion reaction decreases, rather than altered neutron flux or stability issues at these plasma temperatures.
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