出典:Wiktionary
From Middle English straungenesse; equivalent to strange + -ness.
strangeness (usually uncountable, 複数形 strangenesses)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/01 03:04 UTC 版)
In particle physics, strangeness S is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic reactions, which occur in a short period of time. The strangeness of a particle is defined as: