Subtractions and the effective Salpeter term for the Lamb shift in muonic atoms with the nuclear spin I 1/2

Shelyuto, Valery A.; Korzinin, Evgeny Yu. und Karshenboim, Savely G. (2019): Subtractions and the effective Salpeter term for the Lamb shift in muonic atoms with the nuclear spin I 1/2. In: European Physical Journal D, Vol. 73, No. 2, 23

Abstract

While taking into account the nuclear-structure contributions to the Lamb shift, one has to make various subtractions for the two-photon exchange contributions. Such subtractions should be consistent with the structureless part of theory. We study here the subtractions for a two-body atomic systems which consist of a pointlike lepton (an electron or a muon) and a nucleus with spin 0, 1/2, and 1, and find the recoil contribution in order (Z)(5) due to the subtractions for I = 0, 1. (The related contribution to the energy levels for I = 1/2 of order (Z)(5)m is called the Salpeter term.)

• Item Type: Journal article
• Faculties: Physics
• Subjects: 500 Science > 530 Physics
• ISSN: 1434-6060
• Language: English