⁵⁵Mn-Manganese

 
55Mn has 25 protons and 30 neutrons.
55Mn is a stable isotope.
The mass excess of 55Mn is -57712.542 with an uncertainty of ±0.26.


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

Influence				 Equations

	 37.3%		           54Cr(p, γ)55Mn 1 
	 36.1%		          55Mn(p, γ)56Fe 2 
	  12.2%			   55Mn-85Rb0.647 3 








Reference

1. T. Weckstrom  (1978) Energy Levels in 55Mn I. Excitation Curves, Gamma-Decay of Resonances and of Bound States
 Nuclear Instruments and Methods  66(1) 
 https://iopscience.iop.org/article/10.1088/0031-8949/18/4/006

2. R. Friedrich, M. Kiessling, G. Otto (1969) γ-Zerfall von Isobar-Analog-Zustanden im Fe56
 Annalen der Physik  478(3-4) 
 https://onlinelibrary.wiley.com/doi/10.1002/andp.19694780307

3. S. Naimi, G. Audi, D. Beck, K. Blaum, Ch. Bohm, Ch. Borgmann, M. Breitenfeldt, S. George, F. Herfurth, A. Herlert, A. Kellerbauer, M. Kowalska, D. Lunney, E. Minaya Ramirez, D. Neidherr, M. Rosenbusch, L. Schweikhard, R.N. Wolf, K. Zuber (2012)
Surveying the N = 40 island of inversion with new manganese masses Physical Review C  86(1) 
 https://journals.aps.org/prc/abstract/10.1103/PhysRevC.86.014325