psi particle
Noun: A psi particle is a type of subatomic particle, specifically a neutral meson with a large mass. It is a heavy, uncharged particle composed of a charm quark and its antiparticle (an anticharm quark).
The term "psi particle" is used in the field of particle physics to refer to this specific composite particle. It is often discussed in the context of its discovery, properties, and role in confirming the existence of the charm quark. * The psi particle was discovered independently by two research teams in 1974. * Scientists study the decay patterns of the psi particle. * The large mass of the psi particle was a key clue to its unusual composition.
- J/ψ particle: The psi particle is also commonly known as the J/ψ particle (pronounced "jay-sigh"), a name that honors both discovering teams (one of which called it "J" and the other "ψ").
- The J/ψ particle discovery was a milestone in particle physics.
- J/ψ meson: A synonym for the psi particle, emphasizing its classification as a meson.
- Charmonium: A more general term for any bound state of a charm quark and an anticharm quark. The psi particle is the first and most famous charmonium state.
- The psi particle is the ground state of charmonium.
- J/ψ particle
- J/ψ meson
The term "psi particle" has a single, specific meaning in physics. It is not used with different meanings in general language.
- a neutral meson with a large mass