This Feynman diagram shows the neutral kaon turning into by means of the exchange of a pair of W bosons. This diagram, together with the rotated diagram (shown below), give the leading terms to CP violation.
Kaon box diagram
The image below shows the same diagram, emphasizing the structure of the Kaons.
Kaon box diagram
Provenance
Original image created using inkscape by Linas Vepstas <linas@linas.org> User:Linas on 27 February 2006.
(<span class="autocomment"><a href="/wiki/Image:Kaon-box-diagram-alt.svg#Kaon_box_diagram" title="Image:Kaon-box-diagram-alt.svg">→</a>Kaon box diagram -</span> a related image)
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: == Kaon box diagram == This Feynman diagram shows the neutral kaon <math>K^0</math> turning into <math>\overline{K}^0</math> by means of the exchange of a pair of W bosons