antimatter

Several experiments at CERN study the properties of antimatter – material composed of antiparticles which have the same mass as matter particles but opposite charge. 

72 results

BASE experiment takes a big step towards portable antimatter

The experiment successfully transported a box filled with unbonded protons across CERN’s main site, thus demonstrating that the same feat could later be possible for antiprotons

News
Experiments
25 October, 2024
Experiments
News
25 October, 2024

CERN70: Into the antiworld

Walter Oelert led the team of researchers who produced the world’s first atoms of antihydrogen in 1995

Feature
Physics
03 September, 2024
Physics
Feature
03 September, 2024

AMBER releases its first results

The experiment’s preliminary results explore the production cross section of the antiproton, which may provide physicists with clues in the search for dark matter

News
Physics
02 August, 2024
Physics
News
02 August, 2024

Breakthrough in rapid cooling for BASE antiprotons

The experiment has developed a new device for cooling antiprotons more efficiently and for considerably increasing the precision of measurements of their fundamental properties

News
Experiments
02 August, 2024

ALPHA experiment at CERN observes the influence of gravity on antimatter

The result is a milestone in the study of the properties and behaviour of antimatter

Press release
Physics
27 September, 2023
Physics
Press release
27 September, 2023

GBAR joins the anticlub

The GBAR experiment at CERN has just joined the very select club of experiments that have succeeded in synthesising antihydrogen atoms

News
Physics
14 July, 2023
Physics
News
14 July, 2023

Accelerator Report: Reviving antimatter physics and fine-tuning luminosity measurements in the LHC

On Friday, 30 June, an exciting milestone was reached: the much-awaited antiproton physics season finally commenced

News
Accelerators
05 July, 2023

LHCb tightens precision on key measurements of matter–antimatter asymmetry

The LHCb collaboration’s new measurements of matter–antimatter asymmetry in decays of beauty particles are the most precise yet of their kind

News
Physics
13 June, 2023

Probing fundamental symmetries of nature with the Higgs boson

The ATLAS collaboration tested Higgs-boson interactions with the carriers of the weak force, looking for signs of charge-parity symmetry violation

News
Physics
21 April, 2023

ALICE estimates how transparent the Milky Way is to antimatter

The finding will help space- and balloon-based searches for antimatter that may have originated from dark matter

News
Physics
12 December, 2022

LHCb reveals secret of antimatter creation in cosmic collisions

The finding may help determine whether or not any antimatter seen by experiments in space originates from dark matter

News
Physics
07 April, 2022