Theoretical analysis of the binding of a positron and pair-annihilation in fluorinated benzene moleculesKuniaki Ono, Takayuki Oyamada, Yukiumi Kita and Masanori TachikawaEur. Phys. J. D, 74 5 (2020) 89DOI: https://doi.org/10.1140/epjd/e2020-100538-3