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Mainz 2012 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 30: Hadronenstruktur und -spektroskopie

HK 30.4: Talk

Wednesday, March 21, 2012, 17:30–17:45, RW 1

Search for ω-mesic states — •Stefan Friedrich — II. Physikalisches Institut, Universität Gießen, Heinrich-Buff-Ring 16, 35392 Gießen

Experiments searching for the existence of ω-mesic states are presented, using the tagged photon beam at the ELSA accelerator in Bonn. The combined setup of the Crystal Barrel and MiniTAPS detector systems, which form a 4π electromagnetic calorimeter, was used for detecting the possible ω-mesic states via the ω→π+γ decay mode. The recoiling proton of the γ+p→ω+p reaction was identified with an aerogel Cherenkov detector and the forward angle spectrometer MiniTAPS. Two experiments on a carbon target have been performed as well a reference measurement on LH2. The status of the analysis will be presented.
Funded by DFG (SFB/TR16)

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