New Corrections of Order α6 to s-Levels of Two-Body Systems
Michael I. Eides, Howard Grotch
Abstract
New corrections to the energy of S-levels of positronium of order mα6 which are as large as several hundred kilohertz are obtained. A new recoil correction of order α(Zα)5(m/M)m to the Lamb shift in hydrogen is calculated. This correction turns out to be too small from the phenomenological point of view.
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