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Upon further review, suspected new particle vanishes

Hints of discovery fade away with new data from Large Hadron Collider

By
12:55pm, August 5, 2016
ATLAS

PARTICLE PERISHES Two experiments at the Large Hadron Collider, ATLAS (shown above) and CMS, have seen no evidence of a new particle in their most recent data, despite previous hints.

CHICAGO — Particle physicists’ hopes have been dashed. A possible new particle hasn’t been sighted in new data from the Large Hadron Collider, scientists reported August 5 at the International Conference on High Energy Physics.

Physicists from LHC experiments CMS and ATLAS first unveiled hints of the new particle in December 2015 (SN: 1/9/16, p. 7). In the months that followed, enthusiastic physicists published hundreds of papers proposing theoretical explanations (SN: 5/28/16, p. 11).

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