144Sm-Samarium
144Sm has 62 protons and 82 neutrons.
144Sm is a stable isotope.
The mass excess of 144Sm is -81965.626 with an uncertainty of ±1.459.
The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence Equations
86.3% 144Sm-144Nd 1
7% 144Sm(n, γ)145Sm 2
3.5% 148Gd(α)144Sm 3
Reference
1. W. McLatchie, R.C. Barber, H.E. Duckworth, P. Van Rookhuyzen (1964) Direct determinations of the 144Sm-144Nd and 150Nd-150Sm energy differences
Physics Letters 10(3)
https://www.sciencedirect.com/science/article/abs/pii/003191636490527X
2. D.D. Warner, W.F. Davidson, W. Gelletly (1979) Correlations between (n, γ) and (d,p) reactions on 144Sm
Journal of Physics G: Nuclear Physics 5
https://iopscience.iop.org/article/10.1088/0305-4616/5/12/011
3. D.J. Gorman, H.V. Michel, F. Asaro, A. Rytz (1973) Absolute measurement of the energy of alpha particles emitted by 148Gd
Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences, serie B 276 (15)
https://www.osti.gov/biblio/4458678