A One-in-10-Billion Particle Decay Hints at Hidden Physics
Briefly

The NA62 experiment at CERN has observed a rare decay of kaons, suggesting it might happen more frequently than the predicted one in 10 billion, hinting at new physics.
Andrzej Buras, a theoretical physicist, believes the decay could be more common than expected but stresses that the initial findings are not conclusive.
Thirty years ago, Buras made the first advanced theoretical prediction about the decay rate of kaons, noting the strong excitement and diversity of expected new papers following these findings.
The kaon decay study might reveal new particles or forces, indicating unexplored aspects of the universe that physicists have long sought to understand.
Read at www.scientificamerican.com
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