Physics – Atomic Physics
Scientific paper
2004-03-29
Physics
Atomic Physics
Scientific paper
10.1088/0953-4075/37/17/002
Relativistic coupled-cluster(RCC) theory has been employed to calculate the life time of the $6 ^2P_{3/2}$ state of single ionized lead($^{207}Pb$) to an accurac y of 3% and compared with the corresponding value obtained using second order r elativistic many-body perturbation theory(RMBPT). This is one of the very few ap plications of this theory to excited state properties of heavy atomic systems. C ontributions from the different electron correlation effects are given explicitl y.
Chaudhuri Rajat K.
Das Bhanu Pratap
Majumder Sonjoy
Mukherjee Debashis
Sahoo Bijaya K.
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