antihydrogen

Several experiments at CERN use or research antihydrogen, the antimatter counterpart to hydrogen. While the common hydrogen atom is composed of an electron and proton, the antihydrogen atom is made up of a positron and an antiproton.

12 results

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

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

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

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

LS2 Report: Rejuvenation for the Antiproton Decelerator

The Antiproton Decelerator will see refurbishment work that will help its experiments to trap more antimatter than before

News
Accelerators
12 March, 2019

GBAR’s antiproton decelerator installed

With the connection between ELENA and GBAR already in place, the commissioning of the decelerator with antiprotons is about to begin

News
Physics
30 August, 2017
Physics
News
30 August, 2017

The ALPHA experiment explores the secrets of antimatter

The ALPHA experiment at CERN’s Antiproton Decelerator reports the first observation of the hyperfine structure of antihydrogen

News
Physics
03 August, 2017

Raising the (G)bar for antimatter exploration

What is the effect of gravity on antimatter? A new experiment at CERN is preparing to join the quest to find the answer to this question in physics

News
Physics
17 March, 2017

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

AEgIS

Experiments
Experiments

ATRAP

Experiments
Experiments

ALPHA

Experiments
Experiments