⁵⁸Ni-Nickel

 
58Ni has 28 protons and 30 neutrons.
58Ni is a stable isotope.
The mass excess of 58Ni is -60228.871 with an uncertainty of ±0.349.


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

Influence				 Equations

	29.2%		          57Fe-58Ni0.983 1 
	26.5%		          56Fe-58Ni0.966 1 
      25.4%			58Ni(n, γ)59Ni 2 









Reference

1. A. Kankainen, V.-V. Elomaa, T. Eronen, D. Gorelov, J. Hakala, A. Jokinen, T. Kessler, V.S. Kolhinen, I.D. Moore, S. Rahaman, M. Reponen, J. Rissanen, A. Saastamoinen, C. Weber, J. Aysto (2010) 
 Mass Measurements in the vicinity of the doubly magic waiting point 56Ni  Physical Review C  82(3)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.82.034311

2. W.M. Wilson, G.E. Thomas, H.E. Jackson (1975) Thermal neutron capture gamma rays from neutron capture in 59Ni and 63Ni
  Physical Review C  11(4)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.11.1477