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Curiouser and curiouser: a riddle at the ALICE detector

12/09/25

In 2023, the ALICE experiment was ready for their best year yet, until a mysterious signal threatened everything. As the LHC wraps up its 2025 lead-ion run, physicists recall how they worked together to solve the puzzle.

09/01/08

Neutrino masses

Neutrino masses are extremely difficult to measure. While we know precisely how much an electron weighs, we have little information on the mass of its neutral partner, the electron neutrino. The same is true of the muon neutrino and tau neutrino.

09/01/08

Antimatter's science fiction debut

Fermilab radiation safety physicist William S. Higgins explains how the concept of antimatter first made its way into science fiction.

08/01/08

Z boson

In May 1983, physicists on the UA1 detector for the Super Proton Synchrotron accelerator at CERN made the first definitive observations of the Z boson.

08/01/08

COUPP bubble chamber

Donald Glaser of the University of California, Berkeley, won a Nobel Prize for inventing the bubble chamber in 1952 as a way of detecting subatomic particles. Now a University of Chicago professor, Juan Collar, is leading the charge to make the bubble chamber cool and cutting-edge again.

08/01/08

Pécub's Cup

A Faraday Cup is (pick one) 1) a gadget named after the great experimentalist Michael Faraday, used to measure the current of a charged-particle beam, or 2) an award that recognizes the inventors of innovative instruments for particle accelerators.

08/01/08

Gamma-rays inspire brass quintet

When you hear the descending flurry of 16th notes in the trumpets, you know the gamma rays are coming. They speed toward the detector in the Gamma-ray Large Area Space Telescope in chromatically harmonized notes.