CERN Physicists Detect Collider Neutrinos for First Time - Sci-News.com

Physicists from the Forward Search Experiment (FASER) Collaboration have observed six neutrino interactions during a pilot run of FASERν, a compact emulsion detector installed at CERN’s Large Hadron Collider (LHC) in 2018.

“Prior to this project, no sign of neutrinos has ever been seen at a particle collider,” said Professor Jonathan Feng, a reseacher in the Department of Physics and Astronomy at the University of California, Irvine, and co-leader of the FASER Collaboration.

During particle collisions at the LHC, some of the neutrinos produced smash into nuclei in the dense metals, creating particles that travel through the emulsion layers and create marks that are visible following processing.

The FASER physicists were likewise able to see neutrino interactions after removing and developing the detector’s emulsion layers.

“Having verified the effectiveness of the emulsion detector approach for observing the interactions of neutrinos produced at a particle collider, we’re now preparing a new series of experiments with a full instrument that’s much larger and significantly more sensitive,” Dr.