Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 67: Poster Session

HK 67.4: Poster

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

Multimeson Production in Proton-Proton Collisions with WASA-at-COSY ^∞ — •Benedykt R. Jany — Institute of Physics, Jagiellonian University, PL-30059 Cracow, Poland — Institut für Kernphysik and Jülich Center for Hadron Physics, D-52425 Jülich, Germany

The direct multimeson production channels in the region of narrow mesonic states (like ω, η′) cause the main background contribution for studies of meson production and decays. For a meaningful investigation of those, it is essential to know the cross sections and dynamics of such processes, especially since such multi-meson background processes are not yet well investigated both experimentally and theoretically.

Preliminary results on 3π⁰ and 2π⁰η final states measured in proton-proton collisions at a proton incident energy T=2.54 GeV by the WASA-at-COSY detector will be presented.

^∞ Supported by FZ Jülich, BMBF and Wallenberg Foundation