Heavy + heavy and heavy + light pseudoscalar to vector semileptonic transitions Hui-Yu Xing, Zhen-Ni Xu, Zhu-Fang Cui, Craig D. Roberts and Chang Xu Eur. Phys. J. C, 82 10 (2022) 889 Published online: 08 October 2022 DOI: 10.1140/epjc/s10052-022-10844-6