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Recent Results in Positronium Theory

  • Andrzej Czarnecki
  • Kirill Melnikov
  • Alexander Yelkhovsky
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 570)

Abstract

We review our recent results on higher order corrections in positronium physics. We discuss a calculation of the recoil \( \mathcal{O}\left( {m\alpha ^6 } \right) \) corrections to the hyperfine splitting [1] and energy levels of a positronium atom [2], \( \mathcal{O}\left( {m\alpha ^7 \ln ^2 \alpha } \right) \) contributions to the positronium S-wave energy levels [3] and \( \mathcal{O}\left( {\alpha ^2 } \right) \) radiative corrections to the parapositronium decay rate [4].

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Andrzej Czarnecki
    • 1
  • Kirill Melnikov
    • 2
  • Alexander Yelkhovsky
    • 3
  1. 1.Physics DepartmentBrookhaven National LaboratoryUptonUSA
  2. 2.Stanford Linear Accelerator CenterStanford UniversityStanfordUSA
  3. 3.Budker Institute for Nuclear PhysicsNovosibirskRussia

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