J particle

American  

noun

Physics.

1. an early name for the J/psi particle.

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J particle Scientific  

1. See J/psi particle

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Etymology

Origin of J particle

1970–75; named by S.C.C. Ting, allegedly from the resemblance of the letter J to the Chinese character for Ting

Example Sentences

Bertone, G., Hooper, D. & Silk, J. Particle dark matter: evidence, candidates and constraints.

From Nature

Tentatively called a "J" particle by Ting's team, which used the 33 billion-electron-volt accelerator at the Brookhaven National Laboratory, and a "Psi" particle by Richter's group at the two-mile-long Stanford Linear Accelerator, it was the heaviest atomic fragment ever found�almost 3% times more massive than the proton.

From Time Magazine Archive

The bit of matter, called the J particle by Ting and the psi particle by Richter, gave solid experimental support to the evolving theory that the basic building blocks of matter are a family of particles called quarks.

From Time Magazine Archive

The discovery of the J particle, he says frankly, was "revolutionary."

From Time Magazine Archive