Study of the Born-Oppenheimer Approximation for Mass-Scaling of Cold Collision Properties

Stephan Falke, Eberhard Tiemann, Christian Lisdat

Asymptotic levels of the A ${}^1{\Sigma }_u^{+}$ state of the two isotopomers ${}^{39}{\mathrm{K}}_2$ and ${}^{39}{\mathrm{K}}^{41}\mathrm{K}$ up to the dissociation limit are investigated with a Doppler-free…