Assertion: neutrino's property | /r/HasProperty | particle
Facets:
Source sentences:
text: Yukawa's predicted particle, the pi meson, was finally identified in 1947 (again from cosmic ray interactions), and shown to differ from the earlier-discovered mu meson by having the correct properties to be a particle which mediated the nuclear force.
text: Particle-antiparticle pairs having this property (a particle having its own antiparticle with same properties) are known as Majorana particles.