Scientists have reported a rare particle-decay signal that could open a new window into the subatomic world, described as the “Zeptoverse”, approximately 100 billion times smaller than an atom.
A UK-led research team used data from the Large Hadron Collider to identify an unusual decay in which a beauty quark produces two muons. The process is estimated to occur only once in 10 billion instances.
The finding offers a possible new way to investigate particles at extremely small scales, although it does not yet establish a discovery.
Scientists hope future experiments will provide stronger evidence and help investigate unanswered questions in particle physics.
The proposed Future Circular Collider, expected around 2045, could extend the search for elusive particles even further.
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Scientists detect signals at the smallest scale ever explored https://t.co/o0k5Lzn8Hu
— BBC News (UK) (@BBCNews) November 3, 2026
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