Bochum 2018 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 45: Hadron Structure and Spectroscopy VIII
HK 45.6: Talk
Thursday, March 1, 2018, 15:30–15:45, HZO 50
KS0Σ0 photoproduction at the BGO-OD experiment — •Katrin Kohl for the BGO-OD collaboration — Physikalisches Institut, Nussallee 12, D-53115 Bonn
The BGO-OD experiment at the ELSA accelerator facility uses an energy tagged bremsstrahlung photon beam to investigate the internal structure of the nucleon.
The setup with a BGO calorimeter surrounding the target and an open dipole spectrometer covering the forward region is ideally suited for investigating low momentum transfer processes, in particular the investigation of strangeness photoproduction.
The photoproduction of KS0 is crucial to understand the role of K* exchange mechanisms. A cusp-like structure observed in γ p → KS0Σ+ excitation spectra is accurately described by including dynamically generated resonances from vector meson-baryon interactions. Such interactions are predicted to give a peak like structure in the KS0Σ0 excitation spectra.
I will present a preliminary study of γ n → KS0Σ0 from a deuterium target dataset, in preparation for high statistics data anticipated next year.
*Supported by DFG (PN 50165297).