Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series IPHT-HEP
Subjects hep-ph
Date Friday 28 April 2017
Time 14:00
Institute IPHT
Seminar Room Salle Claude Itzykson, Bât. 774
Speaker's Last Name Andrzej Czarnecki
Speaker's First Name
Speaker's Email Address
Speaker's Institution University of Alberta
Title Properties of bound electrons and muons
Abstract Binding of particles in atoms changes their properties such as the magnetic moment. In case of unstable particles like the muon, the decay spectrum is modified. In light atoms these changes should be calculable within quantum electrodynamics with high precision. Such theoretical predictions are needed for the determination of the electron mass and of the fine structure constant, and for searches of lepton-flavor violation. I will review the recent progress and remaining challenges. I will point out some qualitative changes caused even by very weak binding, showing that the binding is a singular perturbation.
arXiv Preprint Number

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