Measurement of the Ratio of Branching Fractions of B0->D+pi- and B0->D*+pi- Analysis Directories: Ntuplizers: /home/belle2/sdey/BRratio/ Ntuples Location: /group/belle2/users2022/sdey/BRratio After ntuple production jobs are done, we apply topoana module on charged and mixed samples. Topoana installation instructions: git clone git@gitlab.desy.de:belle2/software/topoana.git cd topoana ./Configure make ./Setup Belle_II then add path to bash_profile currently, the topoana is installed in /group/belle2/users2022/sdey/BRratio/mytopoana example script: topoana.sh At the end, the outputs are: /group/belle2/users2022/sdey/BRratio/MC15ri/*.root