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

G. Guidoboni et al. (JEDI Collaboration)
Phys. Rev. Lett. 117, 054801 – Published 28 July 2016
Physics logo See Synopsis: Deuterons Spin Together for a Thousand Seconds

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 1029ecm.

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  • Received 10 February 2016

DOI:https://doi.org/10.1103/PhysRevLett.117.054801

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Accelerators & Beams

Synopsis

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Deuterons Spin Together for a Thousand Seconds

Published 28 July 2016

Researchers set a new record for the in-plane spin-alignment lifetime of deuterons circulating in a magnetic storage ring.

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Vol. 117, Iss. 5 — 29 July 2016

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