The deuterium-tritium (D-T) fusion reaction is considered the most promising for producing fusion power. From the top: 1. the D and T nuclei are accelerated towards each other at thermonuclear speeds/temperatures; 2. they combine to create an unstable Helium-5 nucleus; 3. the He-5 nucleus decays, resulting in the ejection of a neutron and repulsion of the He-4 nucleus, both with high energies.
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