Spin-Flipping When Approaching the Resonant Energy in the Perturbed NICA Collider Facility with Bypasses

Abstract

The authors describe the process of changing the orientation of the axis of polarization of a beam in developing a way to detect the electric dipole moment of a deuteron at the NICA collider facility (Joint Institute of Nuclear Research, Dubna), as it operates in the storage ring mode. The process is part of developing a procedure for calibrating the so-called effective Lorentz factor of the beam, so it is related to other tasks associated with orienting the axis of polarization in the accelerator. The process is studied to solve two problems: (1) determining the rate of reorientation of the axis required to meet the experimental conditions, and (2) its impact on the polarization coherence of the beam. Preliminary solutions to these problems are based on results from the study.