elementary particle
fundamental particle

The other was elementary particles, the study of the very small.

Until 1955, it was a major center for research on elementary particles.

The table to the right gives the mass of each elementary particle.

As a result elementary particles fall in representations of this group.

He is also a specialist in the theory of elementary particles.

They're elementary particles, with no charge, and a tiny rest mass.

In his early career he worked on quantum field theory of elementary particles.

"They know all about elementary particles and fundamental forces," she explained.

A quantum computer, however, stores information by using the states of elementary particles.

Quantum field theory has been developed to describe the elementary particles.