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Phenomenological analysis of experimental data on eta-photoproduction on protons | | E.M.Leikin
; E.V.Balandina
; N.P.Yudin
; | | Date: |
21 Nov 2001 | | Journal: | PiN Newslett. 16 (2002) 423-425 | | Subject: | hep-ph | | Abstract: | 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. | | Source: | arXiv, hep-ph/0111253 | | Services: | Forum | Review | PDF | Favorites | |
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