Abstract
Experimental potentials for the XΣ+2 and AΠ2 states of the NaHe molecule are presented. The potentials are generated from the temperature dependence of the red wing of the Na resonance line perturbed by He. For the AΠ2 state an unexpectedly large value is obtained for De=480(50) cm−1at Re=4.4(2)a0. The physical basis for this result, which indicates an important role for the internal structure of the rare gas in determining the repulsive part of the alkali-rare-gas interaction, is discussed.
Department
Earth Systems Research Center
Publication Date
12-1980
Journal Title
Physical Review Letters
Publisher
American Physical Society
Digital Object Identifier (DOI)
10.1103/PhysRevLett.45.1783
Document Type
Article
Recommended Citation
M. D. Havey, S. E. Frolking, and J. J. Wright, "Experimental potentials for the X Σ + 2 and A Π 2 states of NaHe," Physical Review Letters, vol. 45, no. 22, pp. 1783–1786, Dec. 1980.
Rights
Copyright 1980 The American Physical Society