The OZI Rule in Meson Decay

OZI rule
initial (left) and final (right) quark content

u

d

s

c

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u

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c

u

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c

This Demonstration shows the OZI rule applied in the decay of one meson into two. This rule determines which strong processes are preferred and which are allowed but strongly suppressed. Selecting different initial and final quark flavors will display the appropriate diagram.