¹⁶⁸Yb-Ytterbium

 
168Yb has 70 protons and 98 neutrons.
168Yb is a stable isotope.
The mass excess of 168Yb is -61579.867 with an uncertainty of ±0.093.


The mass was measured using a Penning Trap and the related equations include:

Influence				 Equations

         99.4%	   	        168Yb-170Yb0.988 1 
      0.6%	   	                168Yb-168Er 2 
            
				 




 
 


Reference

1. D.A. Nesterenko, R.P. de Groote, T. Eronen, Z. Ge, M. Hukkanen, A. Jokinen, A. Kankainen (2020) High-precision mass measurement of 168Yb for verification of nonlinear isotope shift
 International Journal of Mass Spectrometry  458
https://www.sciencedirect.com/science/article/abs/pii/S1387380620303584

2. S. Eliseev, D. Nesterenko, K. Blaum, M. Block, C. Droese, F. Herfurth, E. Minaya-Ramirez, Yu. N. Novikov, L. Schweikhard, K. Zuber (2011)
Q values for neutrinoless double-electron capture in 96Ru, 162Er, and 168Yb  Physical Review C  83(3)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.83.038501