Search for narrow (p)over-bar-p resonances in the reaction (p)over-bar-p-g(p)over-bar-p pi(+)pi(-)

The reaction (p) over bar p --> (p) over bar p pi(+)pi(-) has been studied with high statistics at CERN-LEAR with incident (p) over bar momenta from 1.65 to 2.0 GeV/c by the JETSET (PS202) exper ...