Total and Differential Cross Sections for the pp-->pp eta-prime Reaction Near Threshold

Details Total and Differential Cross Sections for the pp-->pp eta-prime Reaction Near Threshold Total and Differential Cross Sections for the pp-->pp eta-prime Reaction Near Threshold

2004-01-11

arxiv.org/abs/nucl-ex/0401011v1

Eur.Phys.J.A20:345-350,2004

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 5 figures, submitted to Eur. Phys. J. A

Scientific paper

10.1140/epja/i2003-10169-0

The eta-prime meson production in the reaction pp-->pp eta-prime has been studied at excess energies of Q = 26.5, 32.5 and 46.6 MeV using the internal beam facility COSY-11 at the cooler synchrotron COSY. The total cross sections as well as one angular distribution for the highest Q-value are presented. The excitation function of the near threshold data can be described by a pure s-wave phase space distribution with the inclusion of the proton-proton final state interaction and Coulomb effects. The obtained angular distribution of the eta-prime mesons is also consistent with pure s-wave production.

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