$J^P={1/2}^{-}$ Pentaquarks in Jaffe and Wilczek's Diquark Model

A. Zhang, Y. -R. Liu, P. -Z. Huang +3

If Jaffe and Wilczek's diquark picture for ${\Theta }_5$ pentaquark is correct, there should also exist a $S{U}_F$(3) pentaquark octet and singlet with no orbital excitation between the diqu…