Journal Article

PreJuSER-18261

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Measurement of the vector analyzing power of the reaction at intermediate energies at ANKE/COSY

Tsirkov, D.FZJ*

2011
IOP Publ. Bristol

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Please use a persistent id in citations: http://hdl.handle.net/2128/25275  doi:10.1088/1742-6596/295/1/012079

Abstract: The reaction where {pp}s is a proton pair with an excitation energy Epp < 3 MeV, has been observed with the ANKE spectrometer at COSY-Juelich using a polarized beam with energies 353, 500, 550 and 700 MeV. The data have been processed to obtain th e vector analyzing power Ay of the reaction. The setup acceptance covers most of the angular range at 353 MeV and forward angles at the higher beam energies, allowing one to obtain the Ay angular dependence. From the results of the analysis at 353 MeV, on e can extract information on the pion d-wave contribution, which is important for Chiral Perturbation Theory tests at this energy. At higher energies the results are compared with a phenomenological model and this gives additional information about -nuc leon dynamics.

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Experimentelle Hadrondynamik (IKP-2)

Research Program(s):

1. Physik der Hadronen und Kerne (P53)

Appears in the scientific report 2011

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