Inside the particle detector at CERN - with Claire Malone

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Explore the anatomy of particle detectors, focusing on the ATLAS experiment at CERN.

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This talk was recorded at the Ri on 2 November 2024.

Particle detectors are to particle physicists as telescopes are to astronomers. They allow us to open a window into the inner workings of the Universe at the smallest length scales to understand it in terms of its fundamental constituents. But how exactly do they reveal to us the properties of the subatomic world in such extraordinary detail and with such remarkable agreement with theoretical predictions?

Claire MaIone explores these incredible feats of engineering, with a particular focus on the ATLAS experiment at CERN. To digest the enormous flow of data produced by the collisions, ATLAS uses an advanced “trigger” system to tell the detector which particle interactions to record and which to ignore. Complex data acquisition and computing systems are then used to analyse the collision events recorded. Claire concludes by looking to the future at what new technologies particle detectors are employing so that we can continue exploring the subject of the building blocks of our universe in ever greater detail.

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Claire Malone is a science journalist based in London, UK, and a contributing columnist for Physics World and the STEM Lead for the Lightyear Foundation. She holds a PhD in particle physics from the University of Cambridge, UK. Her research focused on developing novel techniques to search for evidence of physics beyond the Standard Model of particle physics, in particular supersymmetry. Throughout her career, she has devised techniques to negotiate that she cannot use a pen/keyboard directly due to her physical disability. She is passionate about making science accessible to a wide audience and gave a TED talk about her research in 2021 which has now received almost 2 million views.
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