Publications (10)
Polynomial Chaos Expansion method as a tool to evaluate and quantify field homogeneities of a novel waveguide RF Wien Filter
J. Slim, F. Rathmann, A. Nass +4
For the measurement of the electric dipole moment of protons and deuterons, a novel waveguide RF Wien filter has been designed and will soon be integrated at the COoler SYnchrotron…
Spin tune mapping as a novel tool to probe the spin dynamics in storage rings
A. Saleev, N. N. Nikolaev, F. Rathmann +61
Precision experiments, such as the search for electric dipole moments of charged particles using storage rings, demand for an understanding of the spin dynamics with unprecedented…
Phase Measurement for Driven Spin Oscillations in a Storage Ring
N. Hempelmann, V. Hejny, J. Pretz +65
This paper reports the first simultaneous measurement of the horizontal and vertical components of the polarization vector in a storage ring under the influence of a radio frequenc…
Phase locking the spin precession in a storage ring
N. Hempelmann, V. Hejny, J. Pretz +66
This letter reports the successful use of feedback from a spin polarization measurement to the revolution frequency of a 0.97 GeV/ bunched and polarized deuteron beam in the Coo…
New method for a continuous determination of the spin tune in storage rings and implications for precision experiments
D. Eversmann, V. Hejny, F. Hinder +98
A new method to determine the spin tune is described and tested. In an ideal planar magnetic ring, the spin tune - defined as the number of spin precessions per turn - is given by…
Electromagnetic Simulation and Design of a Novel Waveguide RF Wien Filter for Electric Dipole Moment Measurements of Protons and Deuterons
J. Slim, R. Gebel, D. Heberling +12
The conventional Wien filter is a device with orthogonal static magnetic and electric fields, often used for velocity separation of charged particles. Here we describe the electrom…
A new computational framework for particle and spin simulations based on the stochastic Galerkin method
J. Slim, F. Rathmann, D. Heberling
An implementation of the Polynomial Chaos Expansion is introduced here as a fast solver of the equations of beam and spin motion inside an RF Wien filter. The device shall be used…
Feasibility Study for an EDM Storage Ring
F. Abusaif, A. Aggarwal, A. Aksentev +92
This project exploits charged particles confined as a storage ring beam (proton, deuteron, possibly He) to search for an intrinsic electric dipole moment (EDM, ) aligne…
First Experimental Limit on the Permanent Electric Dipole Moment of the Deuteron
A. Andres, V. Hejny, A. Nass +68
Permanent electric dipole moments (EDMs) provide a sensitive probe of physics beyond the Standard Model and are directly linked to additional sources of CP violation that could exp…
Storage Ring to Search for Electric Dipole Moments of Charged Particles -- Feasibility Study
F. Abusaif, A. Aggarwal, A. Aksentev +98
The proposed method exploits charged particles confined as a storage ring beam (proton, deuteron, possibly He) to search for an intrinsic electric dipole moment (EDM) aligned a…