trigger

Your phone is smarter than the world’s biggest particle detectors (but not for long)

Smart detectors will let us learn from “boring” data and could dramatically reduce the time between groundbreaking discoveries.

1 September 2026

ATLAS expands its reach into the high-rate frontier

In a new paper published in Physical Review D, the ATLAS Collaboration presents a search for new particles decaying into dijets, based on 60 billion trigger-level events collected during LHC Run 2.

12 December 2025

ATLAS event selection system readies for LHC Run 3

The ATLAS trigger system operated extremely successfully during Run 1 (2009–2013) and Run 2 (2015–2018) of the LHC. It is now undergoing various upgrades in preparation for the upcoming Run-3 data-taking period, which will see a moderate increase in the rate of collisions inside the experiment.

28 February 2022

ATLAS Live talk: Building the Data Haystack with Dr Heather Russell

On 22 November 2021 at 8pm CET, Dr. Heather Russell will give a live public talk on the ATLAS Youtube Channel on the "trigger", the ATLAS event selection system.

18 November 2021