Antimatter particles might cross the galaxy with out being destroyed

Experiments at CERN’s particle collider recommend that antihelium particles created by darkish matter in distant house might make it to Earth

By Karmela Padavic-Callaghan

Antimatter from distant must be tough to search out. It annihilates when it meets common matter – and the more room it crosses, the extra probabilities there are for these particles to fulfill their finish. However an experiment at a particle collider means that some antimatter particles can journey throughout our galaxy with out getting destroyed.

In house, the antimatter model of helium atoms’ nuclei – the antihelium nuclei – are thought to type when cosmic rays collide with …