activity
19922023
most citedEffective field theories for QED bound states: extending Nonrelativistic QED to study retardation effects

85 citations · 200 across the 14 of their papers we have counts for

collaborators
Showing 1999Show all

1 paper · 1 filter

hep-ph1999★ 11 cited

Details on the Positronium Hyperfine Splitting due to Single Photon Annihilation

A. H. Hoang, P. Labelle, S. M. Zebarjad

A detailed presentation is given of the analytic calculation of the single-photon annihilation contributions to the positronium ground state hyperfine splitting to order i…