Investigation of the electric dipole (E1) excitations in $$^{\mathrm {181}}$$Ta nucleusE. Tabar, H. Yakut, A. A. Kuliev, G. Hoşgör, E. Kemah and H. QuliyevEur. Phys. J. A, 56 10 (2020) 271DOI: https://doi.org/10.1140/epja/s10050-020-00274-x