Decoding (pseudo)-scalar operators in leptonic and semileptonic B decaysGiovanni Banelli, Robert Fleischer, Ruben Jaarsma and Gilberto Tetlalmatzi-XolocotziEur. Phys. J. C, 78 11 (2018) 911DOI: https://doi.org/10.1140/epjc/s10052-018-6393-9