Physicists Detect Signs of Neutrinos at Large Hadron Collider

upstart, with similar submissions from Frigatebird and others, writes:

Physicists detect signs of neutrinos at Large Hadron Collider:

The international Forward Search Experiment team, led by physicists at the University of California, Irvine, has achieved the first-ever detection of neutrino candidates produced by the Large Hadron Collider at the CERN facility near Geneva, Switzerland.

In a paper published today in the journal Physical Review D, the researchers describe how they observed six neutrino interactions during a pilot run of a compact emulsion detector installed at the LHC in 2018.

"Prior to this project, no sign of neutrinos has ever been seen at a particle collider," said co-author Jonathan Feng, UCI Distinguished Professor of physics & astronomy and co-leader of the FASER Collaboration. "This significant breakthrough is a step toward developing a deeper understanding of these elusive particles and the role they play in the universe."

He said the discovery made during the pilot gave his team two crucial pieces of information.

"First, it verified that the position forward of the ATLAS interaction point at the LHC is the right location for detecting collider neutrinos," Feng said. "Second, our efforts demonstrated the effectiveness of using an emulsion detector to observe these kinds of neutrino interactions."

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