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Münster 2002 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 40: Electromagnetic and Hadronic Probes V

HK 40.4: Vortrag

Donnerstag, 14. März 2002, 15:00–15:15, D

Photoproduction of π0π0 on protons at CB-ELSA — •Igor Horn — ISKP, Universität Bonn

The Crystal Barrel is a detector optimized to detect multiphoton final states with a large solid-angle coverage. During the last year photoproduction data including various final states with neutral mesons were taken by the CB-ELSA experiment at the electron stretcher accelerator (ELSA) in Bonn. In particular attention is paid to the γp→pπ0π0 reaction. The data show clear structures due to resonance production. Evidence for successive decays of high-mass nucleon resonances via Δ (1232) and via resonances of higher mass is observed in different mass regions. The new data taken at photon energies up to 2.8 GeV will be presented.
Supported by DFG.

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