Measurements of Branching Ratios for $\eta$ Decays into Charged Particles

P. Adlarson, W. Augustyniak, W. Bardan +96

The WASA-at-COSY experiment has collected $3\times 10^7$ events with $\eta$-mesons produced via the reaction $pd\to {}^3\text{He}\eta$ at $\text{T}=1.0\text{GeV}$. Usi…