papers

Publications (14)

physics.acc-ph2019

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…

hep-ex2003

A New Method For A Sensitive Deuteron EDM Experiment

Y. K. Semertzidis, M. Aoki, M. Auzinsh +35

In this paper a new method is presented for particles in storage rings which could reach a statistical sensitivity of 10**(-27) e cm for the deuteron EDM. This implies an improveme…

nucl-ex2026

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…

hep-ex2021

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…

physics.acc-ph2023

Spin decoherence and off-resonance behavior of radiofrequency-driven spin rotations in storage rings

N. N. Nikolaev, F. Rathmann, J. Slim +60

Radiofrequency-driven resonant spin rotators are routinely used as standard instruments in polarization experiments in particle and nuclear physics. Maintaining the continuous exac…

physics.ins-det2023

Pilot bunch and co-magnetometry of polarized particles stored in a ring

J. Slim, F. Rathmann, A. Andres +60

In polarization experiments at storage rings, one of the challenges is to maintain the spin-resonance condition of a radio-frequency spin rotator with the spin-precessions of the o…

nucl-ex2020

Measurement of deuteron carbon vector analyzing powers in the kinetic energy range 170-380 MeV

JEDI Collaboration, F. Müller, M. Zurek +58

A measurement of vector analyzing powers in elastic deuteron-carbon scattering has been performed at the Cooler Synchrotron COSY of Forschungszentrum Jülich, Germany. Seven kineti…

physics.acc-ph2025

Maintaining a Resonance Condition of an RF Spin Rotator Through a Feedback Loop in a Storage Ring

V. Hejny, A. Andres, J. Pretz +63

This paper presents the successful application of a phase-lock feedback system to maintain the resonance condition of a radio frequency (rf) spin rotator (specifically, an rf Wien…

hep-ex2004

A new method of measuring electric dipole moments in storage rings

F. J. M. Farley, K. Jungmann, J. P. Miller +6

A new highly sensitive method of looking for electric dipole moments of charged particles in storage rings is described. The major systematic errors inherent in the method are addr…

physics.acc-ph2017

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…

physics.acc-ph2018

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…

physics.acc-ph2017

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…

physics.acc-ph2017

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…

physics.acc-ph2015

A Storage Ring Experiment to Detect a Proton Electric Dipole Moment

V. Anastassopoulos, S. Andrianov, R. Baartman +88

A new experiment is described to detect a permanent electric dipole moment of the proton with a sensitivity of cm by using polarized "magic" momentum ~GeV/c pr…