calculation of B → D*lv form factor at zero recoil using the Oktay-Kronfeld actionJon A. Bailey, Tanmoy Bhattacharya, Rajan Gupta, Yong-Chull Jang, Weonjong Lee, Jaehoon Leem, Sungwoo Park and Boram YoonEPJ Web Conf., 175 (2018) 13012DOI: https://doi.org/10.1051/epjconf/201817513012