They were also able to confirm the decay properties for Db .
In 2000 , Chinese scientists at the Institute of Modern Physics ( IMP ) , Lanzhou , announced the discovery of the previously unknown isotope Db formed in the 4n neutron evaporation channel .
scientists were also able to confirm the decay properties for Db .
In 2000 , Chinese scientists at the Institute of Modern Physics ( IMP ) , Lanzhou , announced the discovery of the previously unknown isotope Db formed in the 4n neutron evaporation channel .