Bochum 1998 – scientific programme
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HK: Hadronen und Kerne
HK 10: Structure of Baryons, Mesons I, Crystal Barrel Results
HK 10.3: Talk
Monday, March 16, 1998, 14:30–14:45, H
Investigation of the final states 2 π0 η, 2 η π0 and 3 η in the antiproton-proton annihilation in flight. — •H. St"ock and Die Crystal Barrel Kollaboration — Institut f"ur Experimentalphysik I, Ruhr-Universit"at Bochum, Universit"atsstra"se 150, D-44780 Bochum
In the last years antiproton-proton events with an incident beam momentum
of 1.94 GeV/c were taken using the Crystal Barrel detector at the antiproton
storage ring LEAR at CERN in Geneva. From these data all final states with
three neutral, pseudoscalar mesons were reconstructed and selected.
In this talk preliminary results from spin-parity analysis of the final states
2 π0 η, 2 η π0 and 3 η will be presented. The existence
of new resonances and glueball candidates will be discussed.