luminosity

Luminosity is an important indicator of the performance of an accelerator: it is proportional to the number of collisions that occur in a given amount of time. The higher the luminosity, the more data the experiments can gather to allow them to observe rare processes.
23 results

Accelerator Report: No summer holidays for the accelerator complex

CERN’s accelerators show very good availability rates: beams are in place

News
Accelerators
11 July, 2024

Accelerator Report: Technical stops always hold a few surprises

Restarting the entire accelerator complex after a technical stop is rarely seamless and often comes with unexpected technical challenges

News
Accelerators
27 June, 2024

Accelerator Report: Setting the stage for a productive summer

We are optimistic that we will have a successful luminosity production period this summer

News
Accelerators
12 June, 2024

Accelerator Report: Already a fifth of the way there

The LHC is performing well and the injector complex is treating its experimental users to a high level of beam availability

News
Accelerators
15 May, 2024

Accelerator Report: Keeping cool and adapting to challenges

In the last two weeks, the LHC teams have encountered two main challenges that have led to some changes to the filling scheme

News
Accelerators
03 May, 2024

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: Full house in the LHC

On 11 May, four days before the original schedule had set a target of 1200 bunches per beam, the LHC made its final intensity ramp-up step to 2400 bunches per beam

News
Accelerators
24 May, 2023
Accelerators
News
24 May, 2023

ATLAS delivers most precise luminosity measurement at the LHC

Precise knowledge of luminosity is crucial for both searches for new phenomena and precision measurements of known Standard Model processes

News
Physics
24 January, 2023

LHC Report: The switch was flipped, and the beams were dumped

Looking back on an exciting year for the LHC and its injector complex

News
Accelerators
07 December, 2022
Accelerators
News
07 December, 2022

Why precision luminosity measurements matter

Both the CMS and ATLAS experiments have performed luminosity measurements with spectacular precision

News
Physics
12 May, 2021

Record luminosity: well done LHC

The LHC’s 2017 proton run has ended with record luminosity. The special runs will now take place before the winter shutdown.

News
Accelerators
13 November, 2017
Accelerators
News
13 November, 2017