Antiproton Decelerator

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

26 results

Accelerator Report: Optimisation for greater success (and new challenges)

Since the last Accelerator Report, lead-ion beams have been successfully provided to the SPS North Area, in particular to the NA61 experiment, which is their principal user

News
Accelerators
12 October, 2023
Accelerators
News
12 October, 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

Accelerator Report: Overcoming setbacks, antiprotons return as LHC recovers luminescent brilliance

The AD operations team received on Friday, 1 June – 12 days earlier than rescheduled – the green light from the AD injection kicker expert: beam could be injected again in the AD ring

News
Accelerators
06 June, 2023

Accelerator Report: mostly on schedule, sometimes not…

The beam commissioning of the Antiproton Decelerator will start on 12 June, and the aim is to deliver antiprotons to the eagerly waiting AD-ELENA experiments on 30 June

News
Accelerators
10 May, 2023

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

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

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