Journal Article

PreJuSER-61212

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Experimental Verification of Predicted Beam-Polarization Oscillations near a Spin Resonance

Morozov, V. S. ; Chao, A. W. ; Krisch, A. D. ; Leonova, M. A. ; Raymond, R. S. ; Sivers, D. W. ; Wong, V. K. ; Garishvili, A.FZJ* ; Gebel, R.FZJ* ; Lehrach, A.FZJ* ; Lorentz, B.FZJ* ; Maier, R.FZJ* ; Prasuhn, D.FZJ* ; Stockhorst, H.FZJ* ; Welsch, D.FZJ* ; Hinterberger, F. ; Ulbrich, K. ; Schnase, A. ; Stephenson, E. J. ; Brantjes, N. P. M. ; Onderwater, C. J. G. ; daSilva, M.

2008
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/7772  doi:10.1103/PhysRevLett.100.054801

Abstract: The Chao matrix formalism allows analytic calculations of a beam's polarization behavior inside a spin resonance. We recently tested its prediction of polarization oscillations occurring in a stored beam of polarized particles near a spin resonance. Using a 1.85 GeV/c polarized deuteron beam stored in the COoler SYnchrotron, we swept a new rf solenoid's frequency rather rapidly through 400 Hz during 100 ms, while varying the distance between the sweep's end frequency and the central frequency of an rf-induced spin resonance. Our measurements of the deuteron's polarization near and inside the resonance agree with the Chao formalism's predicted oscillations.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Kernphysikalische Großgeräte (IKP-4)

Research Program(s):

1. Physik der Hadronen und Kerne (P53)

Appears in the scientific report 2008

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