# $Dar{D}$ production and their interactions

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S and P wave $D\bar{D}$ scatterings are studied in a meson exchange model with the coupling constants obtained in the heavy quark effective theory. With the extracted P wave phase shifts and the separable potential approximation, we include the $D\bar{D}$ rescattering effect and investigate the production process $e^+e^-\to D\bar{D}$. We find that

Author: Yan-Rui Liu; Makoto Oka; Makoto Takizawa; Xiang Liu; Wei-Zhen Deng; Shi-Lin Zhu

Source: https://archive.org/