After more than 40 years of searching, physicists working with the LHCb experiment at CERN have detected evidence of a rare particle decay predicted to occur only once in approximately 10 billion beauty particle decays. Announced during a seminar at CERN, the milestone marks the first time a single experiment has gathered sufficient evidence for the extraordinarily rare event.
The discovery centers on a particle called Bd—which consists of a beauty quark and a down antiquark. Beyond its rarity, the decay is particularly valuable because it could help scientists investigate particles that are too massive to be created directly in the Large Hadron Collider, offering a promising way to investigate whether the known laws of particle physics are part of a much larger picture.
The breakthrough concludes a search spanning more than four decades. Researchers note that this significant advance could help physicists uncover hidden particles and forces that lie beyond the reach of today's most powerful accelerators.
