Document Type

Article

Publication Date

1993

Publication Title

Physical Review A

Volume

48

Issue

1

First Page

R15

Last Page

R17

Abstract

Quantum-electrodynamic corrections of O(mc2α6lnα) to the electron-electron interaction in helium are evaluated for several states. The additional energy shift, which is an order of α smaller than the leading Araki-Sucher terms, raises the predicted energy of the 1s2s 1S0 state by 2.49 MHz to -960 332 039.43(18) MHz relative to He+(1s). The new value significantly alters the comparison with recent high-precision experiments. © 1993 The American Physical Society.

Comments

This article was first published in PHYSICAL REVIEW A. Copyright (2012) American Physical Society (APS). (http://dx.doi.org/10.1103/PhysRevA.48.R15)

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