A study of pseudoscalar states produced centrally in pp interactions at 450 GeV/c

Details A study of pseudoscalar states produced centrally in pp interactions at 450 GeV/c A study of pseudoscalar states produced centrally in pp interactions at 450 GeV/c

1998-03-30

arxiv.org/abs/hep-ex/9803029v1

Phys.Lett. B427 (1998) 398-402

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages, Latex, 3 Figures

Scientific paper

A study has been made of pseudoscalar mesons produced centrally in pp interactions. The results show that the eta and etaprime appear to have a similar production mechanism which differs from that of the pi0. The production properties of the eta and etaprime are not consistent with what is expected from double Pomeron exchange. In addition the production mechanism for the eta and etaprime is such that the production cross section are greatest when the azimuthal angle between the pT vectors of the two protons is 90 degrees.

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