Production of eta and eta-prime mesons via the quasi-free proton-neutron interaction

Details Production of eta and eta-prime mesons via the quasi-free proton-neutron interaction Production of eta and eta-prime mesons via the quasi-free proton-neutron interaction

2003-11-03

arxiv.org/abs/nucl-ex/0311003v1

AIP Conf.Proc.717:907-911,2004

Physics

Nuclear Physics

Nuclear Experiment

5 pages, 5 figures, Presented at X. International Conference On Hadron Spectroscopy (Hadron 2003), Aschaffenburg, Germany, 31

Scientific paper

10.1063/1.1799817

A comparison of the close-to-threshold total cross sections for the eta-prime meson production in both the pp --> pp eta-prime and pn --> pn eta-prime reactions should provide insight into the flavour-singlet (perhaps also into gluonium) content of the eta-prime meson and the relevance of quark-gluon or hadronic degrees of freedom in the creation process. The excitation function for the reaction pp --> pp eta-prime has been already established. At present, experimental investigations of the quasi-free pn --> pn X reactions are carried out at the COSY-11 facility using a beam of stochastically cooled protons and the deuteron cluster target. A method of measurement and preliminary results from the test experiments of the pn --> pn eta reaction are presented in this report.

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