27Al-Aluminum
27Al has 13 protons and 14 neutrons.
27Al is a stable isotope.
The mass excess of 27Al is -17196.864 with an uncertainty of ±0.047.
The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence Equations
88.5% 27Al-23Na1.174 1
11.4% 27Al(p, γ)28Si 2
Reference
1. S. George, G. Audi, B. Blank, K. Blaum, M. Breitenfeldt, U. Hager, F. Herfurth, A. Herlert, A. Kellerbauer, H.-J. Kluge, M. Kretzschmar, D. Lunney, R. Savreux, S. Schwarz, L. Schweikhard, C. Yazidjian (2008)
Time-separated oscillatory fields for high-precision mass measurements on short-lived Al and Ca nuclides
Europhysics Letters
https://doi.org/10.48550/arXiv.0801.2593
2. J.W. Maas, E. Somorjai, H.D. Graber, C.A. Van Den Wijngaart, C. Van Der Leun, P.M. Endt (1978) Investigation of 28Si levels with the (α, γ) and (p, γ) reactions
Nuclear Physics A 301(2)
https://doi.org/10.1016/0375-9474(78)90262-2