Original sentence: The team at GSI first studied this reaction in 1996 and detected two decay chains of 277112.The unofficial discovery of 277112 was confirmed in 2004 at RIKEN who detected a further 2 atoms of the isotope and were able to confirm the decay data for the entire chain
Edited sentence: The team at GSI first studied this reaction in 1996 and detected two decay chains of 277Uub.The unofficial discovery of 277Uub was confirmed in 2004 at RIKEN who detected a further 2 atoms of the isotope and were able to confirm the decay data for the entire chain