Particle Physics

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A particle detector under assembly in a bright experimental hall, aqua fibre ribbons running from the open barrel along a cable tray to racks of trigger electronics, one ribbon half-seated in an optical patch panel

What a Particle Detector Actually Measures

Nobody observes a particle. What exists is ionisation, deposited energy, arrival times and penetration depth, and a long chain of selection, modelling and correction that turns those into a published number.

By Brecht Corbeel · August 8, 2026 · 18 min read

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