⁷⁰Ge-Germanium

 
70Ge has 32 protons and 38 neutrons.
70Ge is a stable isotope.
The mass excess of 70Ge is -70562.036 with an uncertainty of ±0.82.


The mass was measured using Nuclear Physics and the related equations include:

Influence				 Equations

	    86%		              70Ge(n, γ)71Ge 1 
	   14%		            70Ge(p, α)67Ga 2 











Reference

1. C. Guenaut, G. Audi, D. Beck, K. Blaum, G. Bollen, P. Delahaye, F. Herfurth, A. Kellerbauer, H.-J. Kluge, J. Libert, D. Lunney, S. Schwarz, L. Schweikhard, C. Yazidjian (2007) 
High-precision mass measurements of nickel, copper, and gallium isotopes and the purported shell closure at N = 40  Physical Review C  75(4)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.75.044303

2. Defense Atomic Support Agency, Washington DC-2570	
	V.J. Orphan, N.C. Rasmussen, T.L. Harper