Phys. Rev. Lett. 89, 053201 (2002) [4 pages]High Rydberg Resonances in Dielectronic Recombination of Pb79+Received 21 December 2001; published 15 July 2002 Dielectronic recombination resonances of Pb ︀79+ associated with 2s1/2→2p1/2 excitations were measured at the heavy-ion storage ring ESR at GSI. The fine structure of the energetically lowest resonance manifold Pb ︀78+(1s22p1/220lj) at around 18 eV could partially be resolved, and rate coefficients on an absolute scale were obtained. A comparison of the experimental data with results of a fully relativistic theoretical approach shows that high-angular-momentum components up to j=31/2 significantly contribute to the total resonance strength demonstrating the necessity to revise the widespread notion of negligible high-angular-momentum contributions at least for very highly charged ions. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.053201
DOI:
10.1103/PhysRevLett.89.053201
PACS:
34.80.Lx, 31.10.+z
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