$NDK$, $\bar{K} DN$ and $ND\bar{D}$ molecules

We investigate theoretically baryon systems made of three hadrons which contain one nucleon and one D meson, and in addition another meson, $\bar{D}, K $o r$ \bar{K}$. The systems are studied using the Fixed Center Approximation to the Faddeev equations. The study is made assuming scattering of a $K$ or a $\overset{ˉ}{K}$ on a $D N$ cluster, which is known to generate the $Λ_{c} (2595)$ , or the scattering of a nucleon on the $D \overset{ˉ}{D}$ cluster, which has been shown to generate a hidden charm resonance named X(3700). We also investigate the configuration of scattering of $N$ on the $K D$ cluster, which is known to generate the $D_{s 0}^{*} (2317)$ . In all cases we find bound states, with the $N D K$ system, of exotic nature, more bound than the $\overset{ˉ}{K} D N$ .

$N D K$ , $\overset{ˉ}{K} D N$ and $N D \overset{ˉ}{D}$ molecules

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$N D K$ , $\overset{ˉ}{K} D N$ and $N D \overset{ˉ}{D}$ molecules

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NDKNDK, KˉDNKˉDN and NDDˉNDDˉ molecules

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NDKNDK, KˉDNKˉDN and NDDˉNDDˉ molecules

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$N D K$ , $\overset{ˉ}{K} D N$ and $N D \overset{ˉ}{D}$ molecules

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$N D K$ , $\overset{ˉ}{K} D N$ and $N D \overset{ˉ}{D}$ molecules

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