89Y-Yttrium


 
89Y has 39 protons and 50 neutrons.
89Y is a stable isotope.
The mass excess of 89Y is -87711.202 with an uncertainty of ±0.339.


The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence				 Equations
        50.8%	   	            89Y-87Rb1.023 1 
        48.9%	   	            89Y-85Rb1.047 1 
      0.2%	   	                 89Zr(β+)89Y 2 
    






 

Reference

1. R. R. Sandler, G. Bollen, N.D. Gamage, A. Hamaker, C. Izzo, D. Puentes, M. Redshaw, R. Ringle, I. Yandow (2019)
Investigation of the potential ultralow Q-value β-decay candidates 89Sr and 139Ba using Penning trap mass spectrometry 
Physical Review C  100(2)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.100.024309

2. E.K. Hyde, G.D. O’Kelley (1951) Radiochemical and Spectrometer Studies of Several Neutron-Deficient Zirconium Isotopes and Their Decay Products
 Physical Review  82(6)
https://journals.aps.org/pr/abstract/10.1103/PhysRev.82.944