| Issue |
EPJ Web Conf.
Volume 212, 2019
The 12th International Workshop on e+e- Collisions from Phi to Psi (PhiPsi 2019)
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 8 | |
| Section | Status of Facilities and New Projects | |
| DOI | https://doi.org/10.1051/epjconf/201921201004 | |
| Published online | 17 June 2019 | |
https://doi.org/10.1051/epjconf/201921201004
MEG II and Mu3e status and plan
1
INFN Pavia, Via A. Bassi 6, 27100 Pavia, Italy
2
Physics Institute, Heidelberg University, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany
* e-mail: paolo.cattaneo@pv.infn.it
Published online: 17 June 2019
The MEG experiment searching for lepton flavor violating muon decay, finished data taking successfully in 2013. The final sensitivity of the experiment was 5.3 × 10−13, and since the experiment did not find any signal, the upper limit of the branching ratio of the µ → e+γ was set to be 4.2 × 10−13 at 90% C.L.. The MEG II experiment will have a target sensitivity improved by an order of magnitude down to 6 ×10−14 with three years data taking. In 2018 after the detector integration, the muon beam data taking took place with a limited number of readout channels. In 2019, the engineering run and the physics run will be started. The Mu3e experiment will search for the lepton flavor violating decay µ+→ e+e−e+ with unprecedented sensitivity. Construction of the detector is going to start in 2020 and for the first phase a single event sensitivity of 2 × 10−15 is expected.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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