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. 

68 results

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

ASACUSA sees surprising behaviour of hybrid atoms in superfluid helium

The result may open doors to several lines of research in particle physics and beyond

News
Physics
16 March, 2022

BASE breaks new ground in matter–antimatter comparisons

The collaboration has made the most precise comparison yet between protons and antiprotons and tested whether or not they behave in the same way under the influence of gravity

News
Physics
05 January, 2022

Two-trap cooling promises antimatter precision

The BASE collaboration has performed the first demonstration of two-trap sympathetic cooling, promising substantial improvements to studies of antiprotons

News
Physics
25 August, 2021

Data-taking in physics facilities is resuming

With the Proton Synchrotron and its Booster accelerating protons to high energies again, the physics season can start at the ISOLDE radioactive ion beam facility and the Antimatter Factory

News
Experiments
30 June, 2021