Experimental study of the $ gamma p ightarrow K^{0}Sigma^{+}$γp→K0Σ+, $ gamma n ightarrow K^{0} Lambda$γn→K0Λ, and $ gamma n ightarrow K^{0} Sigma^{0}$γn→K0Σ0 reactions at the Mainz Microtron

This work measured $ \mathrm{d}\sigma/\mathrm{d}\Omega$ for neutral kaon photoproduction reactions from threshold up to a c.m. energy of 1855MeV, focussing specifically on the $ \gamma p\rightarrow K^0\Sigma^+$, $ \gamma n\rightarrow K^0\Lambda$, and $ \gamma n\rightarrow K^0 \Sigma^0$ reactions. Our results for $ \gamma n\rightarrow K^0 \Sigma^0$ are the first-ever measurements for that reaction. These data will provide insight into the properties of $ N^{\ast}$ resonances and, in particular, will lead to an improved knowledge about those states that couple only weakly to the $ \pi N$ channel. Integrated cross sections were extracted by fitting the differential cross sections for each reaction as a series of Legendre polynomials and our results are compared with prior experimental results and theoretical predictions.