In particle physics, strangeness (symbol S) is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic interactions that occur in a short period of time. The strangeness of a particle is defined as: S = − ( n s − n s ¯ ) {\displaystyle S=-(n_{\text{s}}-n_{\bar {\text{s}}})} where ns represents the number of strange quarks (s) and ns represents the number of strange antiquarks (s).
In particle physics, strangeness (symbol S) is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic interactions that occur in a short period of time. The strangeness of a particle is defined as: S = − ( n s − n s ¯ ) {\displaystyle S=-(n_{\text{s}}-n_{\bar {\text{s}}})} where ns represents the number of strange quarks (s) and ns represents the number of strange antiquarks (s).
Source: Wikipedia "Strangeness" · CC BY-SA 4.0
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