Linked from
The 53 pages that link to Weak interaction, each with the reason it gives.
Beta decayNarrower topic: It mediates the transformations that produce beta-decay emissions.
W and Z bosonsNarrower topic: W and Z bosons are its force carriers.
MuonNarrower topic: It governs muon decay and determines how muons interact with matter.
Electron captureNarrower topic: It enables a proton inside the nucleus to become a neutron.
Beta particleNarrower topic: It governs the transformations that create beta particles.
Wu experimentNarrower topic: The observed asymmetry showed that this force does not conserve parity.
FranciumNarrower topic: Precision measurements in francium probe this force inside atoms.
Yang Chen-NingNarrower topic: Parity violation was discovered in this fundamental force.