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29 March 2024
 
  » arxiv » physics/0410067

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A Method to Polarize Stored Antiprotons to a High Degree
F. Rathmann ; P. Lenisa ; E. Steffens ; M. Contalbrigo ; P.F. Dalpiaz ; A. Kacharava ; A. Lehrach ; B. Lorentz ; R. Maier ; D. Prasuhn ; H. Ströher ;
Date 11 Oct 2004
Journal Phys.Rev.Lett. 94 (2005) 014801 DOI: 10.1103/PhysRevLett.94.014801
Subject Accelerator Physics | physics.acc-ph
AbstractPolarized antiprotons can be produced in a storage ring by spin--dependent interaction in a purely electron--polarized hydrogen gas target. The polarizing process is based on spin transfer from the polarized electrons of the target atoms to the orbiting antiprotons. After spin filtering for about two beam lifetimes at energies $Tapprox 40-170$ MeV using a dedicated large acceptance ring, the antiproton beam polarization would reach $P=0.2-0.4$. Polarized antiprotons would open new and unique research opportunities for spin--physics experiments in $ar{p}p$ interactions.
Source arXiv, physics/0410067
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