Phenomenological analysis of experimental data on eta-photoproduction on protons

Details Phenomenological analysis of experimental data on eta-photoproduction on protons Phenomenological analysis of experimental data on eta-photoproduction on protons

2001-11-21

arxiv.org/abs/hep-ph/0111253v1

PiN Newslett. 16 (2002) 423-425

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures

Scientific paper

The results of linear regresion of differential cross sections, $\Sigma$- and $T$-asymmetries of $\eta$-photoproduction on protons in energy region from threshold up to 1 GeV are presented. Serious contradictions between angular distributions measured in different laboratories are revealed. The energy dependance of regression coefficients may be due to transition from energy region of $S_{11}(1535)$ and $D_{13}(1520)$ to energy region of $D_{15}(1675)$ and $F_{15}(1680)$ resonances.

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