Journal Article

PreJuSER-45794

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Spin manipulating stored 1.85 GeV/c vector and tensor polarized spin-1 bosons

Morozov, V. S. ; Krisch, A. D. ; Leonova, M. A. ; Raymond, R. S. ; Sivers, D. W. ; Wong, V. K. ; Gebel, R.FZJ* ; Lehrach, A.FZJ* ; Lorentz, B.FZJ* ; Maier, R.FZJ* ; Prasuhn, D.FZJ* ; Schnase, A.FZJ* ; Stockhorst, H.FZJ* ; Eversheim, D. ; Hinterberger, F. ; Rohdjes, H. ; Ulbrich, K. ; Yonehara, K.

2005
Soc. [S.l.] @

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Please use a persistent id in citations: http://hdl.handle.net/2128/11159  doi:10.1103/PhysRevSTAB.8.061001

Abstract: We recently studied the spin manipulation of 1.85 GeV/c vertically polarized deuterons stored in the COSY cooler synchrotron. We adiabatically swept an rf dipole's frequency through an rf-induced spin resonance and observed its effect on the deuterons' vector and tensor polarizations. After optimizing the resonance crossing rate and maximizing the rf dipole's voltage, we measured spin-flip efficiencies of 97 +/- 1% and 98.5 +/- 0.3% in two separate runs. We also confirmed at higher energy the striking behavior of the spin-1 tensor polarization recently found at IUCF.

Keyword(s): deuteron: polarized beam ; polarization: vector ; polarization: tensor ; RF system ; spin: resonance ; polarization: measurement ; Juelich COSY PS ; 10.925 GeV/c/nucleon

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Kernphysikalische Großgeräte (IKP-GG)

Research Program(s):

1. Betrieb und Weiterentwicklung des Kühler-Synchrotrons COSY (M04)

Appears in the scientific report 2005

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