
Results & debates
LHCb Measures Rare Anomalous Decays of Eta Mesons
The LHCb experiment reports new branching fraction measurements for rare anomalous decays of the η and η' mesons, including the first search for η'→μ⁺μ⁻
Every Physics story tagged Recent measurements and what they mean.

The LHCb experiment reports new branching fraction measurements for rare anomalous decays of the η and η' mesons, including the first search for η'→μ⁺μ⁻