¹⁷⁷Hf-Hafnium

 
177Hf has 72 protons and 105 neutrons.
177Hf is a stable isotope.
The mass excess of 177Hf is -52880.745 with an uncertainty of ±1.41.


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

Influence				 Equations

         70.4%	   	            177Lu(β-)177Hf 1 
          28.2%	   	            177Hf(n, γ)178Hf 2 
          1.4%	   	            177Hf(p,t)175Hf 3 
             
			 	 



 
 


Reference

1. P. Marmier, F. Boehm (1955) Energy Levels of 177Hf
 Physical Review   97(1)
https://journals.aps.org/pr/abstract/10.1103/PhysRev.97.103

2. K.T. Faler, R.R. Spencer, R.A. Harlan (1969) Excited states in 178Hf from resonance neutron-capture gamma-ray studies
  Nuclear Physics A  123(3)
https://www.sciencedirect.com/science/article/pii/0375947469910094

3. M.A. Oothoudt, N.M. Hintz (1973) The (p,t) reactions on nuclei in the rare earth region
 Nuclear Physics A  213(2)
https://www.sciencedirect.com/science/article/pii/0375947473901486