Antiproton Decelerator

The Antiproton Decelerator (AD) provides low-energy antiprotons mainly for studies of antimatter.

29 results

LS2 Report: waiting for antiprotons...

In the AD hall, a beam of H- ions has reached the GBAR and ALPHA experiments, marking the end of the installation of new transfer lines from the ELENA deceleration ring

News
Accelerators
28 October, 2020
Accelerators
News
28 October, 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

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

ELENA decelerator

Video
Physics
Physics
Video

ALPHA experiment takes antimatter to a new level

The ALPHA collaboration has observed a new electronic transition in the antihydrogen atom

News
Physics
22 August, 2018

LIVE: Inside CERN’s antimatter factory

On Thursday 26 April 2018 at 4pm CEST, join the CERN Facebook live from our unique Antiproton Decelerator

News
Physics
26 April, 2018
Physics
News
26 April, 2018

A new era of precision for antimatter research

The ALPHA experiment at CERN has measured a light-induced transition in antihydrogen with unprecedented precision

News
Physics
04 April, 2018

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

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

Paving the way for a new antimatter experiment

The GBAR experiment will create antihydrogen ions at rest to study the action of gravity upon antimatter

News
Physics
13 March, 2017

A new ring to slow down antimatter

The commissioning of ELENA, a new antiproton deceleration ring, has begun

News
Physics
29 November, 2016
Physics
News
29 November, 2016