Antimatter - CERN
The insight opened the possibility of entire galaxies and universes made of antimatter. But when matter and antimatter come into contact, they annihilate – disappearing in a flash of energy. …
Storing antihydrogen - CERN
The antimatter counterpart to the simplest atom, hydrogen, is a neutral antihydrogen atom, which consists of a positively charged positron orbiting a negatively charged antiproton. In 1995, …
The matter-antimatter asymmetry problem - CERN
Matter and antimatter particles are always produced as a pair and, if they come in contact, annihilate one another, leaving behind pure energy. During the first fractions of a second of the …
antimatter - CERN
Sep 3, 2024 · Several experiments at CERN study the properties of antimatter – material composed of antiparticles which have the same mass as matter particles but opposite charge.
Probing dark matter using antimatter - CERN
Nov 13, 2019 · Dark matter and the imbalance between matter and antimatter are two of the biggest mysteries of the universe. Astronomical observations tell us that dark matter makes up …
ALPHA experiment at CERN observes the influence of gravity on …
Sep 27, 2023 · CERN’s Antimatter Factory is a unique facility in the world for producing and studying antimatter. Two other experiments at this facility, AEgIS and GBAR, share with …
ALICE finds first ever evidence of the antimatter partner of ... - CERN
Dec 9, 2024 · The result has a significance of 3.5 standard deviations and also represents the first evidence of the heaviest antimatter hypernucleus yet at the LHC. The ALICE measurement is …
The Antiproton Decelerator - CERN
The Antiproton Decelerator (AD) is a unique machine that produces low-energy antiprotons for studies of antimatter, and “creates” antiatoms. A proton beam coming from the PS (Proton …
What happened to antimatter? - CERN
May 13, 2013 · (Video: Rolf Landua/TED-Ed) Particles come in pairs, which is why there should be an equal amount of matter and antimatter in the universe. Yet, scientists have not been …
BASE breaks new ground in matter–antimatter comparisons
Jan 5, 2022 · In a paper published today in the journal Nature, the BASE collaboration at CERN reports the most precise comparison yet between protons and antiprotons, the antimatter …