Exotic Hadron in Pole-dominated QCD Sum Rules

Toru Kojo, Daisuke Jido, Arata Hayashigaki

We study pentaquark ${\Theta }^{+}(I=0,J=1/2)$ in the QCD sum rules emphasizing that we can not extract any properties of the pentaquark outside of the Borel window. To find the appropria…