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

LHCb measures tiny mass difference between particles

The result is a milestone in the study of how a particle known as a D0 meson changes from matter into antimatter and back

News
Physics
08 June, 2021

CERN approves two new experiments to transport antimatter

The experiments are compact enough to be transported in a small truck or van

News
Physics
26 March, 2021

AEgIS on track to test free fall of antimatter

New technique for producing antihydrogen atoms is important milestone for measuring influence of gravity on antimatter

News
Experiments
11 February, 2021
Experiments
News
11 February, 2021

A transportable antiproton trap to unlock the secrets of antimatter

The BASE collaboration is developing a transportable antiproton trap to make higher-precision measurements of the properties of antimatter

News
Physics
03 November, 2020

LHCb sees new form of matter–antimatter asymmetry in strange beauty particles

The LHCb collaboration has observed time-dependent matter–antimatter asymmetry in the decays of strange beauty particles into charged kaons

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Physics
06 October, 2020

Searching for matter–antimatter asymmetry in the Higgs boson–top quark interaction

The ATLAS and CMS collaborations used the full LHC Run 2 dataset to obtain new insights into the interaction

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Physics
29 April, 2020

ALPHA reports first measurements of certain quantum effects in antimatter

The measurements are consistent with predictions for “normal” matter and pave the way for future precision studies

News
Physics
19 February, 2020

Probing dark matter using antimatter

The BASE collaboration reports the first laboratory search for an interaction between antimatter and a candidate particle for dark matter

News
Physics
13 November, 2019
Physics
News
13 November, 2019

AEgIS makes positronium for antimatter gravity experiments

The AEgIS collaboration at CERN has found a new way of making long-lived positronium atoms for antimatter gravity experiments

News
Physics
05 March, 2019

New antimatter gravity experiments begin at CERN

The ALPHA-g and GBAR experiments have received their first beams of antiprotons

News
Experiments
02 November, 2018
Experiments
News
02 November, 2018

Chasing a particle that is its own antiparticle

The ATLAS collaboration presents its latest search for heavy Majorana neutrinos

News
Physics
01 November, 2018