Journal Article FZJ-2016-05395

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How to Reach a Thousand-Second in-Plane Polarization Lifetime with 0.97 − GeV / c Deuterons in a Storage Ring

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2016
APS College Park, Md.

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Abstract: We observe a deuteron beam polarization lifetime near 1000 s in the horizontal plane of a magnetic storage ring (COSY). This long spin coherence time is maintained through a combination of beam bunching, electron cooling, sextupole field corrections, and the suppression of collective effects through beam current limits. This record lifetime is required for a storage ring search for an intrinsic electric dipole moment on the deuteron at a statistical sensitivity level approaching 10$^{−29}$  e cm.

Classification:

Contributing Institute(s):
  1. Experimentelle Hadronstruktur (IKP-1)
  2. Experimentelle Hadrondynamik (IKP-2)
  3. Kernphysikalische Großgeräte (IKP-4)
Research Program(s):
  1. 612 - Cosmic Matter in the Laboratory (POF3-612) (POF3-612)
  2. 631 - Accelerator R & D (POF3-631) (POF3-631)
Experiment(s):
  1. Jülich Electric Dipole moment Investigations

Appears in the scientific report 2016
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 Record created 2016-10-14, last modified 2022-09-30