Theorists perplexed by hints of unexpected new particle
Hundreds of papers attempt explanation for surprising LHC data
NEW LIGHT A possible new particle shows up in proton collisions at the Large Hadron Collider that produce two photons, as in an event (illustrated here) seen by the CMS detector.
CMS/CERN
This article is only available to Science News subscribers.
Subscribers, enter your e-mail address to access our archives.
