Kahali, M.Adhikari, S. K.Basu, D.Ghosh, A. S.2014-05-202014-05-201995-06-16Chemical Physics Letters. Amsterdam: Elsevier B.V., v. 239, n. 4-6, p. 344-348, 1995.0009-2614http://hdl.handle.net/11449/32981We present results for low-energy elastic S-, P-, and D-wave phase shifts, capture and total cross sections of positron-helium scattering with different basis sets in the close coupling approach using realistic wave functions for He(1s1s), He(1s2(1)s), He(1s2(1)p) and positronium (1s) states. A resonance is found in the S-wave capture cross section at 84 eV.344-348engArtigo10.1016/0009-2614(95)00458-GWOS:A1995RE25300023Acesso restrito8031087349809439