Allowed and forbidden -decay log ft values of neutron-rich Pb and Bi isotopes Necla Çakmak, Jameel-Un Nabi, Arslan Mehmood, Asim Ullah and Rubba Tahir Eur. Phys. J. A, 60 3 (2024) 75 Published online: 27 March 2024 DOI: 10.1140/epja/s10050-024-01298-3