2 hours ago
After 40 years of searching, physicists find evidence for an ultrarare particle decay
What's happening
SignalsMonitor is following this as a technology story. Phys.org Breaking News is the outlet attached so far. The first report grouped here was at 5 Nov 2026, 17:30 UTC. The headline in use is “After 40 years of searching, physicists find evidence for an ultrarare particle decay”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
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 particles similar to electrons.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by Phys.org Breaking News
After 40 years of searching, physicists find evidence for an ultrarare particle decay
Reported by 1 outlet
- Phys.org Breaking News
- Phys.org Breaking NewsAfter 40 years of searching, physicists find evidence for an ultrarare particle decay