Spectra and decays of and atoms
Institute for Theoretical Physics, University of Bern, Sidlerstr. 5, 3012, Bern, Switzerland
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We describe the spectra and decays of and atoms within a non-relativistic effective field theory. The evaluations of the energy shifts and widths are performed at next-to-leading order in isospin symmetry breaking. We provide general formulae for all S-states, and discuss the states with angular momentum one in some detail. The prediction for the lifetime of the atom in its ground state yields s.
© Springer-Verlag, 2004