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

Makochekanwa, Casten, Bankovic, Ana, Tattersall, Wade, Jones, Adric, Caradonna, Peter, Slaughter, Daniel S., Nixon, Kate, Brunger, Michael J., Petrovic, Zoran, Sullivan, James P., and Buckman, Stephen J. (2009) Total and positronium formation cross sections for positron scattering from H2O and HCOOH. New Journal of Physics, 11. pp. 2-22.

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Abstract

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.

Item ID: 11538
Item Type: Article (Refereed Research - C1)
ISSN: 1367-2630
Date Deposited: 07 Jun 2010 23:11
FoR Codes: 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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