J. D. Rienzi

Nonradiative formation of the positron-helium triplet bound state

R. J. Drachman, J. D. Rienzi, 2007 .

Radiative attachment of a positron to atomic helium in the triplet state

R. J. Drachman, J. D. Rienzi, 2006 .

Approximating the target wave function in positronium-helium scattering (5 pages)

R. J. Drachman, J. D. Rienzi, 2004 .