¹⁴⁸Sm-Samarium

 
148Sm has 62 protons and 86 neutrons.
148Sm is a stable isotope.
The mass excess of 148Sm is -79336.067 with an uncertainty of ±1.246.


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

Influence				 Equations

         35.4%	   	           148Sm(α)144Nd 1 
                   27.8%	   	           150Sm35Cl-148Sm37Cl 2 
            21.2%	   	           147Sm(n, γ)148Sm 3 
   








Reference

1. M.C. Gupta, R.D. MacFarlane (1970) The natural alpha radioactivity of samarium
Journal of Inorganic and Nuclear Chemistry  32(11)
https://www.sciencedirect.com/science/article/abs/pii/002219027080149X

2. R.C. Barber, H.E. Duckworth, B.G. Hogg, J.D. Macdougall, W. McLatchie, P. Van Rookhuyzen (1964) The Mass Effect Corresponding to the Onset of Nuclear Deformation in the Region N ~ 90
Physical Review Letters  12(21)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.12.597

3. E.R. Reddingius, H. Postma (1969) A study of gamma-ray spectra of thermal-neutron capture in 147Sm, 149Sm, and 152Sm
 Physica  40(4)
https://www.sciencedirect.com/science/article/abs/pii/0031891469902031