Using a color-magnetic interaction model anchored to P_c(4312), the authors predict three stable doubly-charmed pentaquarks below their strong decay thresholds.
Possible bound state of the double heavy meson-baryon system
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abstract
We calculate the two-pion exchange potential between a heavy meson and a heavy baryon. We find this potential is as strong as the one-pion exchange potential between two heavy mesons and is enough to bind $\Lambda_b-\bar B$. Though our result is sensitive to the cut-off, the value of the cut-off is in the reasonable region.
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Doubly-charmed pentaquark states in a mass splitting model
Using a color-magnetic interaction model anchored to P_c(4312), the authors predict three stable doubly-charmed pentaquarks below their strong decay thresholds.