Experimental study of the \( \gamma p \rightarrow K^{0}\Sigma^{+}\), \( \gamma n \rightarrow K^{0} \Lambda\), and \( \gamma n \rightarrow K^{0} \Sigma^{0}\) reactions at the Mainz Microtron

Abstract.

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.

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Correspondence to C. S. Akondi.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: All data generated during this study are contained in this published article.]

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Communicated by S. Masciocchi

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Akondi, C.S., Bantawa, K., Manley, D.M. et al. Experimental study of the \( \gamma p \rightarrow K^{0}\Sigma^{+}\), \( \gamma n \rightarrow K^{0} \Lambda\), and \( \gamma n \rightarrow K^{0} \Sigma^{0}\) reactions at the Mainz Microtron. Eur. Phys. J. A 55, 202 (2019). https://doi.org/10.1140/epja/i2019-12924-x

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