Charged-current Interaction
Charged current interactions (as opposed to neutral current interactions) are one of two primary channels in which subatomic particles can interact by means of the weak force. These interactions are specifically mediated by the and bosons. Overview Charged current interactions are the most easily detected class of weak interactions. The weak force is best known for mediating nuclear decay. It has very short range, but is the only force (apart from gravity) to interact with neutrinos. The weak force is communicated via the W and Z exchange particles. Of these, the W-boson has either a positive or negative electric charge, and mediates neutrino absorption and emission by or with an electrically charged particle. During these processes, the W-boson induces electron or positron emission or absorption, or changing the flavour of a quark as well as its electrical charge, such as in beta decay or K-capture. By contrast, the Z particle is electrically neutral, and exchange of a ...
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