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

ALPHA experiment shows antihydrogen charge is neutral

ALPHA shows the most accurate measurement yet of the electric charge of antihydrogen atoms in a new Nature paper

News
Physics
21 January, 2016

Antihydrogen at CERN: 20 years and going strong

In September 1995 physicists at CERN synthesised the first antihydrogen atoms, paving the way for today’s growing antimatter research

News
Physics
24 September, 2015

BASE compares protons to antiprotons with high precision

In a paper published today in Nature, BASE reports the most precise comparison of the charge-to-mass ratio of the proton to the antiproton

News
Physics
12 August, 2015

TEDed animation asks if antimatter falls up

TEDed and CERN physicist Chloé Malbrunot team up to test the principle of universality of free fall for antimatter

News
Physics
10 October, 2014
Physics
News
10 October, 2014

New results from the AMS experiment in space

Latest measurements from the AMS experiment unveil new territories in the flux of cosmic rays

News
Physics
18 September, 2014
Physics
News
18 September, 2014

BASE

Experiments
Experiments

CERN’s ALPHA experiment measures charge of antihydrogen

ALPHA reports a measurement of the electric charge of antihydrogen atoms, finding it to be compatible with zero to eight decimal places

News
Physics
03 June, 2014

Antimatter experiment produces first beam of antihydrogen

The ASACUSA experiment at CERN has succeeded for the first time in producing a beam of antihydrogen atoms

News
Physics
21 January, 2014

Join the dots to measure antimatter

Help the AEgIS experiment at CERN to work out how antimatter is affected by gravity. Just join the dots!

News
Physics
08 August, 2013
Physics
News
08 August, 2013

Lighting the torch for ELENA

A ground-breaking ceremony today marked the start of construction of an extension to CERN's antimatter facility

News
Physics
17 June, 2013
Physics
News
17 June, 2013

ALPHA: Novel investigation of gravity and antimatter

The ALPHA collaboration has published a paper describing the first direct analysis of how antimatter is affected by gravity

News
Physics
30 April, 2013