Journal Article

PreJuSER-52246

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Near Threshold Eta Meson Production in the dd->4He Eta Reaction

Wronska, A.FZJ* ; Hejny, V.FZJ* ; Wilkin, C.

2006
Inst. of Physics, Slovak Acad. of Sciences Bratislava

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Abstract: Investigation of the dd -> He-4 eta reaction has been a part of the experimental programme at the ANKE facility of COSY-Julich. In a first stage measurements were made at two excess energies: 2.6 MeV, 7.7 MeV as well as one energy below threshold for physical background studies. The experimental technique and the results are presented. The total cross sections obtained link well with the existing data, though there is some ambiguity at the higher energies, where sonic earlier data were taken with a polarised beam. Measured angular distributions indicate the onset of higher partial waves at only 7.7 MeV above threshold.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Institut 2 (Experimentelle Kernphysik II) (IKP-E-2)

Research Program(s):

1. Physik der Hadronen und Kerne (P53)

Appears in the scientific report 2006

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