²⁹Si-Silicon

 
29Si has 14 protons and 15 neutrons.
29Si is a stable isotope.
The mass excess of 28Si is -21895.08154 with an uncertainty of ±0.00056.


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

Influence				 Equations

    100%		  	        29Si-28SiH 1  
      

    
	
	
	
	
	
	


Reference

1. S. Rainville, J.K. Thompson, E.G. Myers, J.M. Brown, M.S. Dewey, E.G. Kessler,Jr., R.D. Deslattes, H.G. Borner, M. Jentschel, P. Mutti, D.E. Pritchard (2005)
A direct test of E=mc2,  Nature (Great Britain) , 438, 1096-1097
https://doi.org/10.1038/4381096a