Measurement of the branching fraction and $CP$ asymmetry of $B^0 \to \pi^0 \pi^0$ decays using $198\times 10^6$ $B\bar{B}$ pairs in Belle II data

Abstract None
Tags
Working group B Hadronic
Principal authors @  Francis Pham, Martin Sevior
Reference published in PRD
Document BELLE2-PUB-PH-2022-006
Links arXiv:2303.08354, Inspire,