¹⁰⁴Ru-Ruthenium

 
104Ru has 44 protons and 60 neutrons.
104Ru is a stable isotope.
The mass excess of 104Ru is -88095.763 with an uncertainty of ±2.498.


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

Influence				 Equations

                           57.7%	   	     104Ru(d, t)103Ru-148Gd()147Gd 1 
            30.9%	   	             104Ru(n, γ)105Ru 2 
         10%	   	            C8H8-104Ru 3 
  
		






Reference

1. B. Rubio, A. Ercan, G. de Angelis, P. Kleinheinz, J.L. Tain, B. Brinkmoeller, D. Paul, J. Meissburger, L.G. Mann, D.J. Decman, T.N. Massey, G.L. Struble, H.J. Scheerer, J. Blomqvist (1986)
The ground state mass of 147Gd from single-neutron-transfer reactions and its impact on derived mass values Zeitschrift fur Physik A Atomic Nuclei  324(27-34)
https://link.springer.com/article/10.1007/BF01290751

2. B. Hrastnik, H. Seyfarth, A.M. Hassan, W. Delang, P. Gottel (1974) Levels in 105Ru populated in thermal neutron capture
 Nuclear Physics A  219(2)
https://www.sciencedirect.com/science/article/pii/0375947474900736

3. R.A. Damerow, R.R. Ries, W.H. Johnson,Jr (1963) Atomic Masses from Ruthenium to Xenon
 Physical Review  132(4)
https://journals.aps.org/pr/abstract/10.1103/PhysRev.132.1673