GAMMA P --> K+ LAMBDA(1405)
[1.0, 2.0]
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Photoproduction of Lambda(1405) and Sigma^{0}(1385) on the proton at E_\gamma = 1.5-2.4 GeV

Niiyama, M. ; Fujimura, H. ; Ahn, D.S. ; et al.
Phys.Rev.C 78 (2008) 035202, 2008.
Inspire Record 786670 DOI 10.17182/hepdata.50883

Differential cross sections for $\gamma p \to K^+\Lambda(1405)$ and $\gamma p \to K^+\Sigma^0(1385)$ reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and the angular range of $0.8<\cos(\Theta)<1.0$ for the $K^+$ scattering angle in the center-of-mass system. This data is the first measurement of the $\Lambda(1405)$ photoproduction cross section. The lineshapes of \LamS measured in $\Sigma^+\pi^-$ and $\Sigma^-\pi^+$ decay modes were different with each other, indicating a strong interference of the isospin 0 and 1 terms of the $\Sigma\pi$ scattering amplitudes. The ratios of \LamS production to \SigS production were measured in two photon energy ranges: near the production threshold ($1.5

2 data tables
Table 1

Cross section for LAMBDA(1405) production.

Table 2

Cross section for SIGMA(1385)0 production.