science Desk
Dateline: Wire Chronicle BureauAfter 40 years of searching, physicists find evidence for an ultrarare particle decay
Physicists at CERN report that they've detected evidence of a rare meson particle decay (B⁰→ µ⁺µ⁻) that occurs when the meson's beauty quark annihilates with a down-type quark. The pair decays into a muon and antimuon, which are p...
Aarav SenguptaSenior National Correspondent • Wire Chronicle
Thursday, November 5, 2026 at 5:30 PM•1 min read

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Physicists at CERN report that they've detected evidence of a rare meson particle decay (B⁰→ µ⁺µ⁻) that occurs when the meson's beauty quark annihilates with a down-type quark. The pair decays into a muon and antimuon, which are p...
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