A Numerical Analysis to the π and K Coupled--Channel Scalar Form-factor
Wei Liu, Hanqing Zheng, Xiao-Lin Chen
Abstract
A numerical analysis to the scalar form-factor in the ππ and KK coupled--channel system is made by solving the coupled-channel dispersive integral equations, using the iteration method. The solutions are found not unique. Physical application to the ππ central production in the pp ppππ process is discussed based upon the numerical solutions we found.
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