Reactor data hint at existence of fourth neutrino

Deficit in antiparticle output exceeds theoretical expectations

Daya Bay Detector

GHOST FINDER New results of experiments at the Daya Bay neutrino detector (walls lined with photomultiplier tubes, shown) hint at the existence of a lightweight sterile neutrino, about one-millionth the mass of an electron. 

Brookhaven National Laboratory/Flickr (CC BY-NC-ND 2.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Particle Physics

From the Nature Index

Paid Content