129Xe-Xenon
129Xe has 54 protons and 75 neutrons.
129Xe is a stable isotope.
The mass excess of 129Xe is -88696.06975 with an uncertainty of ±0.00505.
The mass was measured using a Penning Trap and the related equations include:
Influence Equations
47.6% 131Xe-129Xe1.016 1
13.6% C10H10-129Xe 2
11.9% 129Xe2-86Kr3 3
Reference
1. M. Hocker, R. Rana, E.G. Myers (2013) Atomic masses of 82,83Kr and 131,134Xe
Physical Review A 88(5)
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.88.052502
2. M. Redshaw, B.J. Mount, E.G. Myers (2009) Improved atomic masses of 84,86Kr and 129,132Xe
Physical Review A 79(1)
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.79.012506
3. W. Shi, M. Redshaw, E.G. Myers (2005) Atomic masses of 32,33S, 84,86Kr and 129,132Xe with uncertainties ≤ 0.1 ppb
Physical Review A 72(2)
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.72.022510