Hadronic light-by-light contribution to (g - 2) <sub>μ</sub>
- Autor(en)
- Gilberto Colangelo, Martin Hoferichter, Massimiliano Procura, Peter Stoffer
- Abstrakt
After a brief introduction on ongoing experimental and theoretical activities on (g - 2)
μ, we report on recent progress in approaching the calculation of the hadronic light-by-light contribution with dispersive methods. General properties of the four-point function of the electromagnetic current in QCD, its Lorentz decomposition and dispersive representation are discussed. On this basis a numerical estimate for the pion box contribution and its rescattering corrections is obtained. We conclude with an outlook for this approach to the calculation of hadronic light-by-light.
- Organisation(en)
- Teilchenphysik
- Externe Organisation(en)
- Universität Bern, University of Washington, University of California, San Diego
- Journal
- EPJ Web of Conferences
- Band
- 175
- Anzahl der Seiten
- 18
- ISSN
- 2101-6275
- DOI
- https://doi.org/10.1051/epjconf/201817501025
- Publikationsdatum
- 2018
- Peer-reviewed
- Ja
- ÖFOS 2012
- 103034 Teilchenphysik
- ASJC Scopus Sachgebiete
- Allgemeine Physik und Astronomie
- Link zum Portal
- https://ucrisportal.univie.ac.at/de/publications/94c65b81-5749-4549-ac91-b47ec2430c61