and decays in QCD factorization and possible puzzlesQin Chang, Ling-Xin Chen, Yun-Yun Zhang, Jun-Feng Sun and Yue-Ling YangEur. Phys. J. C, 76 10 (2016) 523DOI: https://doi.org/10.1140/epjc/s10052-016-4378-0