TY - JOUR T1 - Variational calculation of low-energy positron life time in Xe atoms JO - Brazilian Journal of Physics A1 - Abdel-Mageed, Mahasen M. SN - 0103-9733 UL - 10.1590/S0103-97332010000100002 VL - 40 Y1 - 2010 PB - Brasil ER -