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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 22: Hadron Structure and Spectroscopy V

HK 22.7: Talk

Wednesday, April 1, 2020, 15:45–16:00, J-HS A

Results of the TPWA of the reaction γp ηp — •Philipp Krönert for the CBELSA/TAPS collaboration — HISKP, Uni Bonn

The motivation to study pseudoscalar meson photoproduction is to improve the current understanding of the quantum mechanical interaction of the initial |γ p > and final state |η p >. Chew, Goldberger, Low and Nambu [1] expressed (in 1957) the fundamental transition matrix in so-called complex electro-magnetic multipoles, which are connected to partial waves.

The technique of truncated partial wave analysis (TPWA) is a straightforward method to extract these multipole parameters, up to an overall phase, from experimental data.

Results of a truncated partial wave analysis will be shown in this presentation for the reaction γ p → η p. This includes Legendre coefficients as well as multipole parameters for different truncation orders (lmax=2,3).

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