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Physicists Detect Evidence of Rare Particle Decay at CERN

Physicists at CERN's Large Hadron Collider have detected evidence of a rare beauty particle decay into two muons. The LHCb experiment's finding, with a statistical significance of 3.2 sigma, is a step towards confirming a process predicted to occur once in ten billion decays, a search that has been ongoing for over 40 years.