Beamline for Schools
Beamline for Schools (BL4S) is a physics competition for high school students from all around the world organised at CERN, the European Laboratory for Particle Physics, in Geneva, Switzerland, and DESY, the German Electron Synchrotron, in Hamburg, Germany. Teams of high school students can propose an experiment that they want to perform at a beamline, that is, a part of a particle accelerator. The teams that submit the three best proposals win a trip to CERN or DESY to perform their experiments at a fully-equipped beamline.
What is a beam and a beamline?
In particle physics, the term 'beam' refers to a large number of particles moving in the same direction. These particles can be accelerated to high energies. The term 'beamline' commonly refers to a straight section of a particle accelerator leading the particles to an experimental area.
Beamline for Schools 2025
In 2025 two experiments will be performed at a beamline of CERN's Proton Synchrotron and one experiment will be performed at a beamline of the DESY-II synchrotron.
All participants who submit an eligible proposal will receive a participation certificate. Additional prizes will be awarded to the shortlisted teams and the teams with the best video and outreach proposals.
Exclusive online events
We heartly invite the teams who pre-register for BL4S 2025 to a series of online events starting from November 2024!
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