News Physics

Antiprotons show no hint of unexpected matter-antimatter differences

Protons and their antimatter counterparts mirror one another in a new ultra-precise measurement

image of an electromagnetic device

The BASE experiment at the European particle physics laboratory CERN uses an electromagnetic device (shown) to trap antiprotons and electrically charged hydrogen atoms.

CERN

By Emily Conover

- More than 2 years ago

It’s confirmed: Protons and antiprotons are well-matched. The two types of subatomic particles mirror each other in the ratios of their electric charge to mass, a new extremely precise experiment verifies.