{"paper":{"title":"Higher order corrections to bound state energy levels in QED: an effective field theory approach","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Patrick Labelle","submitted_at":"1994-07-05T23:43:53Z","abstract_excerpt":"In T.Zhang, L.Xiao and R.Koniuk, Can. J. Phys. {\\bf 70}, 670 (1992), a new method was developed to calculate energy levels in QED nonrelativistic bound states, up to order m \\alpha^5.  Whether or not this method could be used beyond this order was left as an open question. In this paper, we answer this question with the help of a nonrelativistic effective field theory, NRQED.  We find that, aside from infrared terms which had to be discarded without justification in Zhang et al, the order m \\alpha^4 and m \\alpha^5 calculations give the same results in both methods. It is shown, however, that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9407233","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}