Watch · Particle physics from CERN
Particle Collisions - Ep. 2/3: Counting the invisible
The Brief
- Asks how many collisions a particle accelerator produces and how physicists predict the number of Higgs bosons, Z bosons or other particles expected in an experiment.
- Episode 2 of a three-part series explores luminosity and cross-section.
- Explains how these two quantities connect an accelerator to the physics it produces.
- Covers why particle physicists measure data in inverse femtobarns.
Why watch · It explains the basic quantities that link a collider's output to the number of particle events physicists can expect to observe.
- Luminosity
- Cross-section
- Higgs boson
- Particle accelerators
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How many collisions does a particle accelerator produce? And how can physicists predict how many Higgs bosons, Z bosons or other particles to expect in an experiment? In the second episode of Particle Collisions, we explore luminosity and cross-section, how they connect an accelerator to the physics it produces, and why particle physicists measure data in "inverse femtobarns". #HiLumiLHC