Final State Interactions in $D^0 \to K^0 \bar{K^0}$

Details Final State Interactions in $D^0 \to K^0 \bar{K^0}$ Final State Interactions in $D^0 \to K^0 \bar{K^0}$

1999-02-28

arxiv.org/abs/hep-ph/9903204v1

Phys.Rev. D60 (1999) 014014

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 16 pages, with 2 figures

Scientific paper

10.1103/PhysRevD.60.014014

It is believed that the production rate of $D^0\to K^0\bar K^0$ is almost solely determined by final state interactions (FSI) and hence provides an ideal place to test FSI models. Here we examine model calculations of the contributions from s-channel resonance $f_J(1710)$ and t-channel exchange to the FSI effects in $D^0\to K^0\bar K^0$. The contribution from s-channel $f_0(1710)$ is sma$ For the t-channel FSI evaluation, we employ the one-particle-exchange (OPE) model and Regge model respecti$ The results from two methods are roughly consistent with each other and can reproduce the large rate of $D^0\to K^0\bar K^0$ reasonably well$

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