Weak Interactions are one of the four fundamental forces of nature and are responsible for processes such as beta decay and neutrino interactions. They are mediated by the massive W and Z bosons and operate over extremely short ranges. Weak interactions violate parity and charge-parity symmetries, distinguishing them from electromagnetic and strong forces. This interaction plays a crucial role in stellar fusion, radioactive decay, and neutrino physics. Weak interactions govern flavor-changing processes and enable particle transmutation. Their theoretical description forms part of the electroweak theory. Precision studies of weak interactions test the Standard Model and search for new physics. Despite their relative weakness, weak interactions are essential for the evolution of the universe and the stability of matter.
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