High Order QED Corrections in Physics of Positronium

Abstract

High-order perturbative corrections to positronium decays and hyperfine splitting are briefly reviewed. Theoretical predictions are compared to the most recent experimental data. Perspectives of future calculations are discussed.

8 pages, LaTeX, talk given at Workshop on Positronium Physics, ETH Honggerberg, Zurich, May 30-31, 2003, a misprint in Eq. (1) corrected

References in corpus (1)

• Heavy Quarkonium Spectrum at $\mathcal{O}({\alpha }_s^5{m}_q)$ and Bottom/Top Quark Mass Determination

Cited by in corpus (5)

• Positronium-ion decay
• On the decays $B\to K^{(\ast )}+$ leptonium
• Multiphoton annihilation of monopolium
• Positronium Decay into a Photon and Neutrinos
• QED spectra in the path integral formalism