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Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 67: Poster Session

HK 67.1: Poster

Donnerstag, 19. März 2009, 14:00–16:00, Audi-Max

Spectroscopy of Exotics at PANDA — •Bernhard Roth — Ruhr-Universität Bochum, 44780 Bochum

With the PANDA experiment at the future facility FAIR in Darmstadt pp annihilations will be investigated with very high luminosity and highest precision over a wide p momentum range of 1.5−15GeV/c. One of the main topics of the physics program is the spectroscopy of hadrons including the search for exotic matter. Exotic glue ball states are predicted by QCD based models and lattice QCD calculations. The f0(1500), observed in pp annihilation by the Crystal Barrel Collaboration at LEAR and others, is debated to be an admixture of the glue ball ground state and conventional qq states. Motivated by this observation it is believed that gluon rich processes in pp annihilation events are a good source for the production of glue balls. In conjunction with the ability of the PANDA detector to reconstruct final states including charged and neutral particles with good coverage of the solid angle, this offers excellent opportunities for the search for glue balls. In particular higher mass states are accessible with PANDA. Here the results of Monte Carlo studies of the production of glue balls in the mass range of 2400−3700MeV /c2 decaying to φφ in exclusively reconstructed pp→φφπ0 and pp→φφη events are presented.
This work is funded by the bmb+f and the European Union.

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