¹⁶³Dy-Dysprosium

 
163Dy has 66 protons and 97 neutrons.
163Dy is a stable isotope.
The mass excess of 163Dy is -66380.858 with an uncertainty of ±0.693.


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

Influence				 Equations

       33.3%	   	           163DyO-C15 1 
         27.6%	   	           163Ho(ε)163Dy 2 
            26%	   	           163Dy(n, γ)164Dy 3 
     





 
 


Reference

1. F. Schneider, T. Beyer, K. Blaum, M. Block, S. Chenmarev, H. Dorrer, Ch. E. Dullmann, K. Eberhardt, M. Eibach, S. Eliseev, J. Grund, U. Koster, Sz. Nagy, Yu. N. Novikov, D. Renisch, A. Turler, K. Wendt (2015)
Preparatory studies for a high-precision Penning-trap measurement of the 163Ho electron capture Q-value  European Physical Journal A  51(89)
https://epja.epj.org/articles/epja/abs/2015/07/10050_2015_Article_270/10050_2015_Article_270.html

2. J.U. Andersen, G.J. Beyer, G. Charpak, A. De Rujula, B. Elbek, H.A. Gustavson, P.G. Hansen, B. Jonson, P. Knudsen, E. Laegsgaard, J. Pedersen, H.L. Ravn (1982) A limit on the mass of the electron 
neutrino: The case of 163Ho  Physics Letters B  113(1)
https://www.sciencedirect.com/science/article/abs/pii/0370269382901125

3. M.A. Islam, T.J. Kennett, W.V. Prestwich (1982) Neutron separation energies of some heavy nuclides
 Physical Review C  15(1)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.25.3184