Mass database

Author: K. Blaum et al. 
Title: Population inversion of nuclear states by a Penning trap mass spectrometer 
Year: 2004 
Link: http://dx.doi.org/10.1209/epl/i2004-10089-5

isotope frequency ratio ref. ion ME Isoltrap
(in keV)
ME AME 2003
(in keV)
comment
Cu-68m 0.8000098791(188) Rb-85  -64850.3(1.5) -64845.4(1.7)  
Cu-68 0.8000008176(199) Rb-85  -65567(1.6) -65567.0(1.6)