Feasibility study of true muonium observation with the existing Belle-II dataset

Ruben Gargiulo, Elisa Di Meco, Stefano Palmisano

True muonium ($\hat{I}{¼}^{+}\hat{I}{¼}^{-}$) is one of the cleanest bound states, being composed only of leptons, along with true tauonium and positronium. Unlike the latter, true muonium and true ta…