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Gießen 2007 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 17: Elektromagnetische und Hadronische Sonden

HK 17.2: Vortrag

Dienstag, 13. März 2007, 17:15–17:30, A

ω Photoproduction off Protons and Neutrons with CBELSA-TAPS — •Frida Hjelm for the CBELSA-TAPS collaboration — II Pysikalisches Institut, Heinrich-Buff-Ring 16, 35392 Giessen

A study of ω photoproduction off LH2 and LD2 targets is currently being performed on data from an experiment with the tagged photon beam of the ELSA accelerator in Bonn. The combined setup of the Crystal Barrel and TAPS detecting systems, which formed a 4π electromagnetic calorimeter, was used for detecting the ω meson via the ω → π0 γ decay mode. The aim of this study is to determine the ω photoproduction cross section on the neutron, which has not been measured so far, and to compare it to the cross section on the proton. The neutron cross section is of particular importance with respect to model calculations of the ω-nucleus interaction. Preliminary results will be presented.
gefördert durch die DFG (SFB/TR-16)

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