²H-Hydrogen 2

2H has 1 proton and 1 neutron.
2H is a stable isotope.
The mass excess of 2H is 13135.7229 with an uncertainty of ±0.000015.


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

  Influence			Equations

   82.5%        			D6-C  1  
     8.5%	    			   H2-D 2  
    8.2%	    			HD-C  3  





Reference

1. Conference on Mass Spectroscopy
	C.M. Stevens, P.E. Moreland

2. Moreland, P.E., Bainbridge, K.T. (1964).
	Direct Determination of the 3H—3He Mass Difference. In: Johnson, W.H. (eds) Nuclidic Masses.
	Springer, Vienna. 
	 https://link.springer.com/chapter/10.1007/978-3-7091-5556-1_37

3. Rau, S., Heiße, F., Köhler-Langes, F. et al.  (2020), Penning trap mass measurements of the deuteron and the HD+ molecular ion. Nature
	585(43-47)
	https://www.nature.com/articles/s41586-020-2628-7?proof=t#citeas