121Sb-Antimony
121Sb has 51 protons and 70 neutrons.
121Sb is a stable isotope.
The mass excess of 121Sb is -89599.157 with an uncertainty of ±2.506.
The mass was measured using Nuclear Physics and the related equations include:
Influence Equations
95.5% 121Sb(n, γ)122Sb 1
4.3% 115Sn(3He, d)116Sb-120Sn()121Sb 2
0.1% 121Te(β+)121Sb 3
Reference
1. E.B. Shera, Private communication to Nuclear Data Group in January 1972
2. R. Kamermans, J. Van Driel, H.P. Blok, P.J. Blankhorst (1978) Structure of 116Sb Studied with the 115Sn(3He, d)116Sb reaction
Physical Review C 17(5)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.17.1555
3. R.A. Meyer, R.G. Lanier, J.T. Larsen (1975) Two-particle, one-hole states in antimony nuclei and the decay of 121Tem,g
Physical Review C 12(6)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.12.2010