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Cross-sections for the elastic recoil of hydrogen isotopes for high energy helium ions

Browning, J.F.; Banks, J.C.; Wampler, W.R.; Doyle, Barney L.

Cross-sections for the elastic recoil of hydrogen isotopes, including tritium, have been measured for 4He2+ ions in the energy range of 9.0-11.6 MeV. These cross-sections have been measured at a scattering angle of 30° in the laboratory frame. Cross-sections were measured by allowing a 4He2+ beam to fall incident on solid targets of ErH2, ErD2 and ErT2, each of 500 nm nominal thickness and known areal densities of H, D, T and Er. The uncertainty in each cross-section is estimated to be ±3.2%. Published by Elsevier B.V.