Heaviest antimatter produced yet debuts
Thursday, March 31, 2011 - 14:00
in Physics & Chemistry
It seems antimatter might have a bit of a weight problem these days, if a new paper on the arXiv is to be believed — specifically, antimatter helium-4, an extremely rare (and heavy!) particle that just made its debut at Brookhaven's Relativistic Heavy Ion Collider (RHIC).