Forcing a small piece of antimatter into a controlled quantum state may be essential to proving the Standard Model of ...

Physicists trap and cool down positron for months to measure its 'magnetic moment' with extraordinary precision.

For the first time, Northwestern University physicists have coaxed a single positron—the antimatter counterpart of an ...

Northwestern physicists created a one-positron quantum cyclotron, resolving individual changes in the antimatter particle’s ...

Antimatter quantum cyclotron: Northwestern scientists trapped a single positron for months at near absolute zero, resolving individual quantum energy steps. This first-ever one-positron quantum ...

Ultra-cold Penning trap experiment paves way for precision electron–positron magnetic moment comparison and probes cosmic ...

After trapping a positron for the first time, physicists plan to use the resulting data to look for answers to one of ...

You can’t hold antimatter in your hand or even in a regular laboratory apparatus. As soon as antimatter meets matter, the two ...

An abstract illustration evoking a charged particle confined by electromagnetic fields. (dani3315/iStock/Getty Images Plus) ...

Physicists at Northwestern University have held a single positron -- the antimatter twin of the electron -- in a trap for ...

A research team at Northwestern University in the United States has achieved the world's first "single-positron quantum cyclotron," trapping ...