A hybrid ring design in the storage-ring proton electric dipole moment experiment

Abstract

A new, hybrid design is proposed to eliminate the main systematic errors in the frozen spin, storage ring measurement of the proton electric dipole moment. In this design, electric bending plates steer the particles, and magnetic focusing replaces electric. The magnetic focusing should permit simultaneous clock-wise and counter-clock-wise storage to cancel systematic errors related to the out-of-plane dipole electric field. Errors related to the quadrupole electric fields can be eliminated by successive runs of magnetic focusing with different strengths.

arXiv comment6 pages, 8 figures

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• Probing Electroweak Baryogenesis induced by extra bottom Yukawa coupling via EDMs and collider signatures
• Searching for axion forces with precision precession in storage rings
• Relativistic spin dynamics conditioned by dark matter axions
• Gravitational focusing effects on streaming dark matter as a new detection concept
• On Possibilities of High Precision Fundamental Physics Experiments in Spin-Transparent Storage Rings of Low Energy Polarized Electron Beams
• First Experimental Limit on the Permanent Electric Dipole Moment of the Deuteron
• Real-time sextupole tuning for a long in-plane polarization at storage rings
• Systematic error studies for the charged particle EDM measurement proposal