Measured and projected beam backgrounds in the Belle II experiment at the SuperKEKB collider

A. Natochii, T. E. Browder, L. Cao +43

The Belle II experiment at the SuperKEKB electron-positron collider aims to collect an unprecedented data set of $50{\mathrm{ab}}^{-1}$ to study $CP$-violation in the $B$-meson system…