The strangeness of a particle is determined by the number of strange quarks ( ) and strange antiquarks (
The concept of ( ) in particle physics was developed to explain why certain subatomic particles, like kaons and hyperons, lived much longer than expected before decaying. strangeness
) it contains. By convention, a strange quark has a strangeness value of , while an anti-strange quark has 2. Apply the Strangeness Formula The strangeness of a particle is determined by