Overview and status of COMET experiment

George Adamov
FPCP 2026
5/21/26
https://indi.to/SDC6m
Oral

George Adamov (Georgian Technical University (GE))

The COMET (COherent Muon to Electron Transition) experiment, conducted at J-PARC (Japan Proton Accelerator Research Complex) using a high-intensity muon beam, aims to search for the neutrinoless conversion of a muon into an electron in the field of an atomic nucleus, where the nucleus remains in its ground state, and the electron is emitted with an energy close to the muon mass, slightly reduced by binding and recoil effects, producing a distinct experimental signature that helps separate signal from background processes such as ordinary muon decay in orbit.
The goal of the experiment is to probe the possibility that μ⁻N → e⁻N conversion occurring at rates far below current experimental limits by improving single-event sensitivity of μ⁻N → e⁻N conversion, 10^-15 in the first phase of the experiment and 10^-17 in the second phase. This process, if observed, would be clear evidence of charged lepton flavour violation and point to the physics beyond the Standard Model.
This talk will provide an overview of the experimental concept, current status on detector subsystems and facility construction as well as future prospects of COMET, highlighting its role in the global effort to uncover physics beyond the Standard Model.

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