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Which detrimental outcome arises from helium ash accumulation during deuterium-tritium fusion?

A)Neutron activation of structural materials
B)Quenching of the fusion reaction
C)Spontaneous generation of plasma instabilities
D)Reduced efficiency of thermal energy conversion

💡 Explanation

Helium ash buildup hinders the DT fusion because it inhibits ion transport and radiative losses occur, slowing down the reaction rather than other options. It's fuel starvation due to ash accumulation, therefore the fusion reaction is quenched rather than enabling alternate outcomes.

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