New calculations of radiative corrections for bound-muon decay rates in light nuclei resolving a Z=8 discrepancy and for parapositronium three-photon decay including Z boson, with the latter rate much smaller than estimated.
QED and Fundamental Symmetries in Positronium Decays
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abstract
We discuss positronium decays with emphasis on tests of fundamental symmetries and the constraints from measurements of other precision observables involving electrons and photons.
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UNVERDICTED 2representative citing papers
The authors derive annihilation energy, binding energy, and lifetime of ortho-positronium in the S state from a complex energy spectrum of a relativistic two-body problem in 2+1 dimensions.
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Radiative Corrections in Bound States: Recent Results
New calculations of radiative corrections for bound-muon decay rates in light nuclei resolving a Z=8 discrepancy and for parapositronium three-photon decay including Z boson, with the latter rate much smaller than estimated.
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Annihilation energy and decay time of an ortho-Positronium
The authors derive annihilation energy, binding energy, and lifetime of ortho-positronium in the S state from a complex energy spectrum of a relativistic two-body problem in 2+1 dimensions.