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← ScienceWhich chain reaction risk increases dramatically when deuterium-tritium plasma confinement weakens during controlled fusion experiments?
A)Neutron flux reaching critical threshold✓
B)Gamma radiation causing material sputtering
C)Beta decay initiating background ionization
D)Alpha particle-induced helium embrittlement
💡 Explanation
Increased neutron flux arises due to decreased plasma density; therefore, the loss of the shielding effect escalates drastically; this occurs because the decreased confinement diminishes the fusion reaction, leading to an increased neutron population rather than other radiative effects under heightened plasma containment.
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