Surface three-body recombination in spin-polarized atomic hydrogen

L.P.H. de Goey; J.P.J. Driessen; B.J. Verhaar; J.T.M. Walraven

doi:10.1103/PhysRevLett.53.1919

Surface three-body recombination in spin-polarized atomic hydrogen

L.P.H. de Goey, J.P.J. Driessen, B.J. Verhaar, J.T.M. Walraven

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Abstract

We calculate the surface dipolar recombination rate Ls for spin-polarized hydrogen adsorbed on He4 surfaces at temperatures in the 0.2- to 0.6-K regime and for magnetic fields up to 30 T. For a magnetic field of 7.6 T normal to the surface and 0.4 K we find Ls=1.3(3)×10-25 cm4 s-1 increasing by 10%/T in the range of experimental interest. The anisotropy with the direction of the magnetic field is considerably smaller than in the case of the surface dipolar relaxation.

Original language	English
Pages (from-to)	1919-1922
Number of pages	4
Journal	Physical Review Letters
Volume	53
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.53.1919
Publication status	Published - 1 Jan 1984

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abstract = "We calculate the surface dipolar recombination rate Ls for spin-polarized hydrogen adsorbed on He4 surfaces at temperatures in the 0.2- to 0.6-K regime and for magnetic fields up to 30 T. For a magnetic field of 7.6 T normal to the surface and 0.4 K we find Ls=1.3(3)×10-25 cm4 s-1 increasing by 10%/T in the range of experimental interest. The anisotropy with the direction of the magnetic field is considerably smaller than in the case of the surface dipolar relaxation.",

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AU - Verhaar, B.J.

AU - Walraven, J.T.M.

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N2 - We calculate the surface dipolar recombination rate Ls for spin-polarized hydrogen adsorbed on He4 surfaces at temperatures in the 0.2- to 0.6-K regime and for magnetic fields up to 30 T. For a magnetic field of 7.6 T normal to the surface and 0.4 K we find Ls=1.3(3)×10-25 cm4 s-1 increasing by 10%/T in the range of experimental interest. The anisotropy with the direction of the magnetic field is considerably smaller than in the case of the surface dipolar relaxation.

AB - We calculate the surface dipolar recombination rate Ls for spin-polarized hydrogen adsorbed on He4 surfaces at temperatures in the 0.2- to 0.6-K regime and for magnetic fields up to 30 T. For a magnetic field of 7.6 T normal to the surface and 0.4 K we find Ls=1.3(3)×10-25 cm4 s-1 increasing by 10%/T in the range of experimental interest. The anisotropy with the direction of the magnetic field is considerably smaller than in the case of the surface dipolar relaxation.

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Surface three-body recombination in spin-polarized atomic hydrogen

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