lambda particle
or lambda baryon
noun Physics.
any of a family of neutral baryons with strangeness −1 or charm +1, and isotopic spin 0. The least massive member of the lambda family was the first strange particle to be discovered. Symbol: Λ
Origin of lambda particle
First recorded in 1950–55
Words nearby lambda particle
lambaréné,
lambast,
lambaste,
lambda,
lambda calculus,
lambda particle,
lambda point,
lambda-b baryon,
lambda-b particle,
lambda-c baryon,
lambda-c particle
Scientific definitions for lambda particle
lambda particle
An electrically neutral baryon having a mass 2,183 times that of the electron and a mean lifetime of approximately 2.6 X 10-10 seconds. See Table at subatomic particle.