40Ca-Calcium
40Ca has 20 protons and 20 neutrons.
40Ca is a stable isotope.
The mass excess of 40Ca is -34846.402 with an uncertainty of ±0.02.
The mass was measured using a Penning Trap and the related equations include:
Influence Equations
100% 40Ca-H40 1
Reference
1. Sz. Nagy, T. Fritioff, A. Solders, R. Schuch, M. Bjorkhage, I. Bergstrom (2006) Precision mass measurements of 40Ca17+ and
40Ca19+ ions in a Penning Trap European Physical Journal D 39(1-4)
https://link.springer.com/article/10.1140/epjd/e2006-00064-8