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Recent Results on Meson Decays from A2.
- Source :
-
EPJ Web of Conferences . 10/18/2019, Vol. 218, p1-6. 6p. - Publication Year :
- 2019
-
Abstract
- Light meson decays are used to investigate topics related to fundamental aspects of particle physics. Precision measurements of meson Dalitz decays give input to theoretical evaluations of the Hadronic Light-by-Light contribution (HLbL) to the anomalous magnetic moment of the muon. The A2 collaboration, using the Crystal Ball/TAPS setup at MAMI, has recently published several high precision results on transition form factors which are related to HLbL. Pseudoscalar η' decays allow for studies of topics like ππ scattering lengths, effective field theories and fundamental symmetries. In 2014 the collaboration had a dedicated experimental campaign with one of its main goals to measure the dynamics of η'→ π0π0η with high precision. A brief overview of the experimental setup, physics motivations, analyses and results are given. [ABSTRACT FROM AUTHOR]
- Subjects :
- *PARTICLE physics
*MAGNETIC moments
*MUONS
*FIELD theory (Physics)
MESON decay
Subjects
Details
- Language :
- English
- ISSN :
- 21016275
- Volume :
- 218
- Database :
- Academic Search Index
- Journal :
- EPJ Web of Conferences
- Publication Type :
- Conference
- Accession number :
- 139291891
- Full Text :
- https://doi.org/10.1051/epjconf/201921803002