In 2012, CERN physicists reported the discovery of a new boson with a mass near 125 GeV and properties compatible with those expected for the Higgs boson — a fundamental particle first proposed in 1964.
In the Standard Model, the Higgs boson is a spin-zero particle predicted to arise from the Higgs field which is responsible for electroweak symmetry breaking.
To date, physicists have confirmed that the particle decays to three types of gauge bosons (the W and Z bosons, photons) and one type of fermions (tau-leptons).
However, these impressive achievements represent only 30% of the Higgs decays.
The Standard Model also predicts that the Higgs boson decays (58% of the time) to bottom quarks: H→bb.
“The strong evidence that the Higgs particle, as predicted by theory, decays into quarks provides yet another essential piece to the puzzle about this particle,” said ATLAS collaboration member Dr. Christian Weiser, from the Institute of Physics at the University of Freiburg, Germany.
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