Andricek, L. Max Planck Semiconductor Laboratory, Max Planck Society;
Ninkovic, J. Max Planck Semiconductor Laboratory, Max Planck Society;
2107.02373.zip (Preprint), 465KB
Belle II Collaboration, Abudinén, F., Adachi, I., Adak, R., Adamczyk, K., Ahlburg, P., et al. (in preparation). Measurement of the branching fraction for B0→π0π0 decays reconstructed in 2019-2020 Belle II data.