This title appears in the Scientific Report :
2016
Please use the identifier:
http://hdl.handle.net/2128/9888 in citations.
Towards an RF Wien-Filter for EDM Searches in Storage Rings
Towards an RF Wien-Filter for EDM Searches in Storage Rings
The JEDI Collaboration (Jülich Electric Dipole Moment (EDM) Investigations) is developing tools for the measurement of permanent EDMs of charged, light hadrons in storage rings. While the StandardModel prediction for the EDM gives unobservably small magnitudes, a non-vanishing EDM can lead to a tiny...
Saved in:
Personal Name(s): | Mey, Sebastian |
---|---|
Gebel, Ralf (Corresponding author) | |
Contributing Institute: |
Kernphysikalische Großgeräte; IKP-4 |
Imprint: |
2015
|
Conference: | DPG-Frühjahrstagung der Sektionen Didaktik der Physik, Extraterrestrische Physik, Strahlen- und Medizinphysik, Teilchenphysik und des Arbeitskreises Beschleunigerphysik, Wuppertal (Germany), 2015-03-09 - 2015-03-13 |
Document Type: |
Conference Presentation |
Research Program: |
Accelerator R & D |
Subject (ZB): | |
Link: |
OpenAccess OpenAccess |
Publikationsportal JuSER |
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520 | |a The JEDI Collaboration (Jülich Electric Dipole Moment (EDM) Investigations) is developing tools for the measurement of permanent EDMs of charged, light hadrons in storage rings. While the StandardModel prediction for the EDM gives unobservably small magnitudes, a non-vanishing EDM can lead to a tiny build-up of vertical polarization in a beforehand horizontally polarized beam. This requires a spin tune modulation by an RF Wien-Filter. In the course of 2014, a prototype RF ExB-Dipole has been successfully commissioned and tested. To determine the characteristics of the device, the force of a radial magnetic field is canceled out by a vertical electric one to achieve a net Lorentz-Force compensation. In this configuration, it directly rotates the particles’ polarization vector. We were able to verify that the device can be used to continuously flip the vertical polarization of a 970 MeV/c deuteron beam without exciting any coherent beam oscillations. For a first EDM Experiment, the RF ExB-Dipole in Wien-Filter mode is going to be rotated by 90° around the beam axis and will be used for systematic investigations of sources for false EDM signals. | ||
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