EPJ Web of Conferences
Volume 118, 2016International Workshop on “Flavour Changing and Conserving Processes” 2015 (FCCP 2015)
|Number of page(s)||7|
|Published online||26 April 2016|
Status and perspectives of the MEG experiment
INFN and Universitty of Pisa, Department of Physics, Largo B.Pontecorvo 3, 56127 Pisa, Italy
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Published online: 26 April 2016
We present the status and the perspectives of the MEG experiment which has been searching for the Lepton Flavour Violating decay μ+ → e+γ for several years. In a dataset corresponding to 3.6 × 1014 positive muons stopped on target we didn’t find any evidence for this decay and established an upper bound on the μ+ → e+γ branching ratio of 5.7 × 10−13 at 90% C.L., with a sensitivity of 7.7 × 10−13, which improves our world best limit by a factor of 4 and the best previous limit by a factor of 20. Our final dataset is about twice as large than the analyzed sample and the expected final sensitivity of the experiment is ∼ 5 × 10−13. We also discuss the status of the upgrade of the experiment (MEGII) which aims to improve the sensitivity by a further order of magnitude.
© Owned by the authors, published by EDP Sciences, 2016
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