Decay Probability Ratio of Pentaquark Theta^+ State

Xun Chen, Yajun Mao, Bo-Qiang Ma

The pentaquark state of ${\Theta }^{+}(uudd\bar{s})$ has been observed to decay with two decay modes: ${\Theta }^{+}\to n{K}^{+}$ and ${\Theta }^{+}\to p{K}^0$. The decay probability ratio of the two decay modes…