 Livermorium was first synthesized on July 19 , 2000 , when scientists at Dubna ( JINR ) bombarded a curium @-@ 248 target with accelerated calcium @-@ 48 ions . A single atom was detected , decaying by alpha emission with decay energy 10 @.@ 54 MeV to an isotope of flerovium . The results were published in December 2000 . 
