• Open Access

Toward polarized antiprotons: Machine development for spin-filtering experiments

C. Weidemann et al.
Phys. Rev. ST Accel. Beams 18, 020101 – Published 23 February 2015

Abstract

The paper describes the commissioning of the experimental equipment and the machine studies required for the first spin-filtering experiment with protons at a beam kinetic energy of 49.3 MeV in COSY. The implementation of a low-β insertion made it possible to achieve beam lifetimes of τb=8000s in the presence of a dense polarized hydrogen storage-cell target of areal density dt=(5.5±0.2)×1013atoms/cm2. The developed techniques can be directly applied to antiproton machines and allow the determination of the spin-dependent p¯p cross sections via spin filtering.

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  • Received 28 July 2014

DOI:https://doi.org/10.1103/PhysRevSTAB.18.020101

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

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Vol. 18, Iss. 2 — February 2015

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