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.
27 results

Accelerator Report: Ending the 2024 LHC proton run on a high note

This year’s LHC proton run ended on 16 October, surpassing expectations with 11% more collisions than planned. Next up: the lead-ion run

News
Accelerators
17 October, 2024
Accelerators
News
17 October, 2024

Accelerator Report: Target reached, but compressor off

On 23 September, the LHC reached its 2024 target for integrated luminosity. And then a cryogenic station broke down…

News
Accelerators
03 October, 2024
Accelerators
News
03 October, 2024

Accelerator Report: Preparing the LHC and its injector complex for the 2024 lead-ion run

The physics run for the SPS North Area will start on 4 November, followed by the LHC lead-ion physics run on 6 November, and the PS East Area on 11 November

News
Accelerators
20 September, 2024
Accelerators
News
20 September, 2024

Accelerator Report: LHC Run 3 achieves record-breaking integrated luminosity

On Sunday, 1 September, the LHC integrated luminosity for Run 3 (2022–2025) equalled that of Run 2 (2015–2018)

News
Accelerators
04 September, 2024
Accelerators
News
04 September, 2024

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