Semileptonic decay

In particle physics the semileptonic decay of a hadron refers to a decay through the weak interaction in which one lepton (and the corresponding neutrino) is produced in addition to one or more hadrons.

An example of a semileptonic decay is


K0
  
e
 + 
ν
e
 + 
π+

This is to be contrasted with purely hadronic decays, such as
K0
  
π+
 + 
π
, which are also mediated by the weak force.

Semileptonic decays of neutral kaons have been used to study kaon oscillations.

See also


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