PoS - Proceedings of Science
Volume 433 - 19th Workshop on Polarized Sources, Targets and Polarimetry (PSTP2022) - Session 14
The search for electric dipole moment of charged particles using storage rings
V. Shmakova*  on behalf of the Jedi Collaboration
Full text: pdf
Pre-published on: April 17, 2023
Published on: August 04, 2023
The Standard Model (SM) of Particle Physics cannot explain the matter-antimatter asymmetry in the Universe. Especially, new sources of CP-violation are necessary, and this is why physics beyond the ST is being explored. The search for permanent Electric Dipole Moments (EDMs) of elementary particles has the potential to provide a powerful tool to probe such new sources of CP-violation.
Finding an EDM would be a convincing indication for physics beyond the SM.
Storage rings make it possible to measure EDMs of charged particles by observing the effect of the EDM on the spin motion in the ring. The Cooler Synchrotron COSY at the Forschungszentrum Jülich provides polarized protons and deuterons with momenta up to 3.7 GeV/s and it constitutes an ideal testing ground and starting point for such an experimental program to search for EDMs of charged particles. This report provides an overview of the current status of the JEDI project for the first direct measurement of the deuteron EDM at COSY. The analysis is currently ongoing. Due to the complexity of storage rings, this study combines high precision measurements and thorough understanding of the systematic uncertainties involved.
DOI: https://doi.org/10.22323/1.433.0035
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