New Method Enhances Measurement of Electron Energy in Muon Conversion

Recent research has introduced a novel method for measuring electron energy during the conversion of muons to electrons, a process significant in the study of Charged Lepton Flavor Violation (CLFV). The paper titled "Measuring Electron Energy in Muon-to-Electron Conversion using Holographic Synchrotron Radiation Emission Spectroscopy" was authored by Nicholas Cutsail, Johan Vonk, Vivek Singh, and Yury G Kolomensky.

The study highlights advancements in muon beamline design and low-mass tracking detectors, which have improved the sensitivity of muon-to-electron conversion searches. However, the authors note that the performance of these detectors is limited by electron scattering and energy loss within the materials used in the detectors.

To address these challenges, the authors propose a holographic track reconstruction technique that utilizes synchrotron radiation emitted by electrons. This method is akin to cyclotron radiation emission spectroscopy (CRES), which has shown excellent energy resolutions for low-energy electrons. The proposed technique focuses on measuring cyclotron frequency in a regime where photons are emitted stochastically and projected onto a two-dimensional inner surface of a solenoidal magnet.

The authors outline the concept of a massless holographic tracker and discuss the feasibility of employing this innovative detection strategy for muon-to-electron conversion. They also address the limitations and challenges that may arise with this method. The findings could enhance the precision of measurements in high-energy physics and contribute to a deeper understanding of fundamental particle interactions.

For further details, the paper can be accessed at arXiv:2409.02878.