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Total and positronium formation cross sections for positron scattering from H2O and HCOOH

Makochekanwa, Casten; Bankovic, A; Tattersall, Wade; Jones, Adric; Caradonna, Peter; Slaughter, Daniel; Nixon, K L; Brunger, Michael J; Petrovic, Z Lj; Sullivan, James; Buckman, Stephen


Total and positronium formation cross sections have been measured for positron scattering from H2O and HCOOH using a positron beam with an energy resolution of 60 meV (full-width at half-maximum (FWHM)). The energy range covered is 0.5–60 eV, including an investigation of the behavior of the onset of the positronium formation channel using measurements with a 50 meV energy step, the result of which shows no evidence of any channel coupling effects or scattering resonances for either molecule.

CollectionsANU Research Publications
Date published: 2009-10-21
Type: Journal article
Source: New Journal of Physics
DOI: 10.1088/1367-2630/11/10/103036


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