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Higgs Boson Discoverers Publish Refined Measurements

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Higgs Boson particle

The Higgs Boson opened a new field of exploration for experiments at CERN's Large Hadron Collider.

Credit: SBBM

Particle physics changed forever on July 4, 2012. That was the day the two major physics experiments at CERN's Large Hadron Collider jointly announced the discovery of a particle that matched the properties of the Higgs boson — a particle theorized decades earlier.

This week, on the 10-year anniversary of the Higgs discovery, the experimenters have released comprehensive new measurements of this particle, published in the journal Nature. The collaborations have measured properties of the Higgs boson more precisely than ever before.

The new results were obtained by combining several separate analyses of Higgs boson production modes and their corresponding decay modes.

"The combination is basically taking the division of labor [by separate analyses] and then recombining it into something that is interpretable as one physics result," says Nicholas Smith, a researcher at Fermi National Accelerator Laboratory.

From Brookhaven National Laboratory
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