140Ce-Cerium
140Ce has 58 protons and 82 neutrons.
140Ce is a stable isotope.
The mass excess of 140Ce is -88074.227 with an uncertainty of ±1.313.
The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence Equations
39.3% 140La(β-)140Ce 1
31.8% 140CeO-133Cs1.173 2
25.3% 140Ce(n, γ)141Ce 3
Reference
1. T. Nagarajan, M. Ravindranath, K.V. Reddy (1972) Beta spectrum of 140La
Nuovo Cimento A 8(305-318)
https://link.springer.com/article/10.1007/BF02732653
2. W.J. Huang, D. Atanasov, G. Audi, K. Blaum, R.B. Cakirli, A. Herlert, M. Kowalska, S. Kreim, Yu. A. Litvinov, D. Lunney, V. Manea, M. Mougeot, M. Rosenbusch, L. Schweikhard, A. Welker, F. Wienholtz, R.N. Wolf, K. Zuber (2019)
Evaluation of high-precision atomic masses of A ~ 50-80 and rare-earth nuclides measured with ISOLTRAP European Physical Journal A 55(96)
https://epja.epj.org/articles/epja/abs/2019/06/10050_2019_Article_12775/10050_2019_Article_12775.html
3. W. Gelletly, J.A. Moragues, M.A. Mariscotti, W.R. Kane (1970) Level Structure of 141Ce from the 140Ce(n, γ)141Ce
Physical Review C 1(3)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.1.1052