The rare and forbidden: Testing physics beyond the standard model with Mu3e
The upcoming Mu3e experiment aims to search for the lepton flavour violating decay $\mu^+ \to e^+ e^- e^+$ with an unprecedented final sensitivity of one signal decay in $10^{16}$ observed muon decays by making use of an innovative experimental design based on novel ultra-thin silicon pixel senso...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
SciPost
2019-02-01
|
| Series: | SciPost Physics Proceedings |
| Online Access: | https://scipost.org/SciPostPhysProc.1.052 |
| _version_ | 1818327239021821952 |
|---|---|
| author | Ann-Kathrin Perrevoort on behalf of the Mu3e Collaboration |
| author_facet | Ann-Kathrin Perrevoort on behalf of the Mu3e Collaboration |
| author_sort | Ann-Kathrin Perrevoort on behalf of the Mu3e Collaboration |
| collection | DOAJ |
| description | The upcoming Mu3e experiment aims to search for the lepton flavour violating
decay $\mu^+ \to e^+ e^- e^+$ with an unprecedented final sensitivity of one
signal decay in $10^{16}$ observed muon decays by making use of an innovative
experimental design based on novel ultra-thin silicon pixel sensors. In a first
phase, the experiment is operated at an existing muon beam line with rates of
up to $10^8$ muons per second. Detailed simulation studies confirm the
feasibility of background-free operation and project single event sensitivities
in the order of $10^{-15}$ for signal decays modelled in an effective field
theory approach. The precise tracking of the decay electrons and large
geometric and momentum acceptance of Mu3e enable searches for physics beyond
the Standard Model in further signatures. Examples of which are searches for
lepton flavour violating two-body decays of the muon into an electron and an
undetected boson as well as for electron-positron resonances in $\mu^+ \to e^+
e^- e^+ \bar{\nu}_\mu \nu_e$ which could result for instance from a dark photon
decay. The Mu3e experiment is expected to be competitive in all of these
channels already in phase I. |
| first_indexed | 2024-12-13T12:13:06Z |
| format | Article |
| id | doaj.art-de0404a991ab435a9f6dcb962554f5f5 |
| institution | Directory Open Access Journal |
| issn | 2666-4003 |
| language | English |
| last_indexed | 2024-12-13T12:13:06Z |
| publishDate | 2019-02-01 |
| publisher | SciPost |
| record_format | Article |
| series | SciPost Physics Proceedings |
| spelling | doaj.art-de0404a991ab435a9f6dcb962554f5f52022-12-21T23:46:48ZengSciPostSciPost Physics Proceedings2666-40032019-02-01105210.21468/SciPostPhysProc.1.052The rare and forbidden: Testing physics beyond the standard model with Mu3eAnn-Kathrin Perrevoort on behalf of the Mu3e CollaborationThe upcoming Mu3e experiment aims to search for the lepton flavour violating decay $\mu^+ \to e^+ e^- e^+$ with an unprecedented final sensitivity of one signal decay in $10^{16}$ observed muon decays by making use of an innovative experimental design based on novel ultra-thin silicon pixel sensors. In a first phase, the experiment is operated at an existing muon beam line with rates of up to $10^8$ muons per second. Detailed simulation studies confirm the feasibility of background-free operation and project single event sensitivities in the order of $10^{-15}$ for signal decays modelled in an effective field theory approach. The precise tracking of the decay electrons and large geometric and momentum acceptance of Mu3e enable searches for physics beyond the Standard Model in further signatures. Examples of which are searches for lepton flavour violating two-body decays of the muon into an electron and an undetected boson as well as for electron-positron resonances in $\mu^+ \to e^+ e^- e^+ \bar{\nu}_\mu \nu_e$ which could result for instance from a dark photon decay. The Mu3e experiment is expected to be competitive in all of these channels already in phase I.https://scipost.org/SciPostPhysProc.1.052 |
| spellingShingle | Ann-Kathrin Perrevoort on behalf of the Mu3e Collaboration The rare and forbidden: Testing physics beyond the standard model with Mu3e SciPost Physics Proceedings |
| title | The rare and forbidden: Testing physics beyond the standard model with Mu3e |
| title_full | The rare and forbidden: Testing physics beyond the standard model with Mu3e |
| title_fullStr | The rare and forbidden: Testing physics beyond the standard model with Mu3e |
| title_full_unstemmed | The rare and forbidden: Testing physics beyond the standard model with Mu3e |
| title_short | The rare and forbidden: Testing physics beyond the standard model with Mu3e |
| title_sort | rare and forbidden testing physics beyond the standard model with mu3e |
| url | https://scipost.org/SciPostPhysProc.1.052 |
| work_keys_str_mv | AT annkathrinperrevoortonbehalfofthemu3ecollaboration therareandforbiddentestingphysicsbeyondthestandardmodelwithmu3e AT annkathrinperrevoortonbehalfofthemu3ecollaboration rareandforbiddentestingphysicsbeyondthestandardmodelwithmu3e |