Florida State University physicists believe they have an answer to unusual incidents of rare decay of a subatomic particle called a Kaon that were reported last year by scientists in the KOTO experiment at the Japan Proton Accelerator Research Complex.

FSU Associate Professor of Physics Takemichi Okui and Assistant Professor of Physics Kohsaku Tobioka published a new paper in the journal Physical Review Letters that proposes that this decay is actually a new, short-lived particle that has avoided detection in similar experiments.

"This is such a rare disintegration," Okui said. "It's so rare, that they should not have seen any. But if this is correct, how do we explain it? We think this is one possibility."

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