Chakraborty, R;
Calzolaio, C;
Doinaki, A;
Dutsov, C;
Giovannozzi, M;
Hume, T;
Michielsen, K;
... Vitali, B; + view all
(2023)
Status of the search for a muon EDM using the frozen-spin technique.
Journal of Instrumentation
, 18
(9)
, Article C09003. 10.1088/1748-0221/18/09/C09003.
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Abstract
Despite the many successes of the Standard Model of particle physics, there are still several physical observations that it cannot explain, such as the matter-antimatter asymmetry, non-zero neutrino masses, and the microscopic nature of dark matter. To address these limitations, extensions to the standard model are necessary, and searches for electric dipole moments (EDMs) of leptons are valuable test. The search for a muon EDM is the only search on a bare lepton of the second generation, complementing the searches for an EDM of the electron using polar molecules. A non-zero EDM of the muon would indicate Charge-Parity symmetry violation beyond the standard model. A dedicated experimental search for the muon EDM is being set up at PSI using the frozen-spin technique. In this technique, the anomalous spin precession of the muons in a storage ring is suppressed by applying an electric field in the radial direction. The muon EDM experiment will take place in two phases: the first phase will demonstrate the frozen-spin technique using a precursor experiment with 28 MeV/c muons, while the second phase will make use of 125 MeV/c muons, which could search for the muon EDM with a sensitivity of 6 × 10-23 e·cm. In this talk, we describe the precursor experiment at PSI and provide an update on the status of the experiment.
| Type: | Article |
|---|---|
| Title: | Status of the search for a muon EDM using the frozen-spin technique |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1088/1748-0221/18/09/C09003 |
| Publisher version: | https://doi.org/10.1088/1748-0221/18/09/C09003 |
| Language: | English |
| Additional information: | Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. |
| Keywords: | Accelerator modelling and simulations (multi-particle dynamics, single-particle dynamics); Instrumentation for particle accelerators and storage rings - low energy (linear accelerators, cyclotrons, electrostatic accelerators); Particle tracking detectors; Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators) |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10178188 |
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