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APS » Journals » Phys. Rev. Lett. » Volume 86 » Issue 22
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Phys. Rev. Lett. 86, 5027–5030 (2001)

QED Effects in Cu-Like Pb Recombination Resonances Near Threshold

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E. Lindroth1, H. Danared2, P. Glans1,*, Z. Pešić1, M. Tokman1, G. Vikor1, and R. Schuch1
1Department of Atomic Physics, Stockholm University, Frescativägen 24, SE-104 05 Stockholm, Sweden
2Manne Siegbahn Laboratory, Stockholm University, Frescativägen 24, SE-104 05 Stockholm, Sweden

Received 22 December 2000; published in the issue dated 28 May 2001

In an electron-ion recombination study with Pb53+ dielectronic recombination resonances are found for as low as ∼10-3–10-4eV relative energy. The resonances have been calculated by relativistic many-body perturbation theory and through comparison with experiment the Pb53+(4p1/2-4s1/2) energy splitting of ∼118eV is determined with an accuracy comparable to the position of the first few resonances, i.e., ∼10-3eV. Such a precision provides a test of QED in a many-body environment at a level which can still not be reached in calculations.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.5027
DOI:
10.1103/PhysRevLett.86.5027
PACS:
31.30.Jv, 31.15.Ar, 34.80.Lx

*Present address: Department of Engineering, Physics and Mathematics, Mid-Sweden University, S-851 70 Sundsvall, Sweden.

 
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