Phys. Rev. A 64, 022901 (2001) [7 pages]Atomic deuterium adsorbed on the surface of liquid heliumReceived 7 December 2000; revised 21 February 2001; published 29 June 2001 We investigate deuterium atoms adsorbed on the surface of liquid helium in equilibrium with a vapor of atoms of the same species. These atoms are studied by a sensitive optical method based on spectroscopy at a wavelength of 122 nm, exciting the 1S-2P transition. We present a direct measurement of the adsorption energy of deuterium atoms on helium and show evidence for the existence of resonantly enhanced recombination of atoms residing on the surface to molecules. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.022901
DOI:
10.1103/PhysRevA.64.022901
PACS:
34.50.Dy, 67.65.+z, 67.70.+n
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