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Article overview
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Nucleon and Delta resonances in K Sigma(1385) photoproduction from nucleons | Yongseok Oh
; Che Ming Ko
; K. Nakayama
; | Date: |
27 Dec 2007 | Abstract: | The reaction mechanisms for $KSigma(1385)$ photoproduction from the reaction
$gamma p o K^+Sigma^{0}(1385)$ in the resonance energy region are
investigated in a hadronic model. Both contributions from $N$ and $Delta$
resonances of masses around 2 GeV as given in the Review of Particle Data Group
and by the quark model predictions are included. The Lagrangians for describing
the decays of these resonances into $KSigma(1385)$ are constructed with the
coupling constants determined from the decay amplitudes predicted by a quark
model. Comparing the resulting total cross section for the reaction $gamma p
o K^+Sigma^{0}(1385)$ with the preliminary data from the Thomas Jefferson
National Accelerator Facility, we find that the most important contributions
are from the two-star rated resonances $Delta(2000) F_{35}$, $Delta(1940)
D_{33}$, and $N(2080) D_{13}$, as well as the missing resonance
$Nfrac32^-(2095)$ predicted in the quark model. Predictions on the
differential cross section and photon asymmetry in this reaction are also
given. | Source: | arXiv, 0712.4285 | Services: | Forum | Review | PDF | Favorites |
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