⁹⁰Zr-Zirconium

 
90Zr has 40 protons and 50 neutrons.
90Zr is a stable isotope.
The mass excess of 90Zr is -88772.547 with an uncertainty of ±0.118.


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

Influence				 Equations

         62.4%	   	           90Zr-87Rb1.034 1 
   30.2%	   	                    90Zr-u 1 
        7.3%	   	          90Zr(n, γ)91Zr 2 
    


 


 

Reference

1. K. Gulyuz, J. Ariche, G. Bollen, S. Bustabad, M. Eibach, C. Izzo, S.J. Novario, M. Redshaw, R. Ringle, R. Sandler, S. Schwarz, A.A. Valverde (2015)
Determination of the direct double-β-decay Q value of 96Zr and atomic masses of 90-92,94,96Zr and 92,94-98,100Mo
Physical Review C  91(5)
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.91.055501

2. 1981 Proc. 4th Int. Conf. Neutron Capture Gamma Ray Spectroscopy 	 
	M.A. Lone