Beta (\(\beta^-\)) decay is the release of an electron by the ... This difference in charge (\(+1\)) is conserved by the weak force boson \(W^{-}\). The new up quark moves away from the emitted ...

The effects of the weak force were first discovered at the turn of the 20th century, in the place where it is most obviously at work: in radioactive beta decay. In the most common form of this ...