Search for the ${\Theta }^{+}$ pentaquark in the reactions $\gamma p\to {\bar{K}}^0{K}^{+}n$ and $\gamma p\to {\bar{K}}^0{K}^{0}p$

R. De Vita, M. Battaglieri, V. Kubarovsky +9

The exclusive reactions $\gamma p\to {\bar{K}}^0{K}^{+}n$ and $\gamma p\to {\bar{K}}^0{K}^{0}p$ have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon $…