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Possible bound state of the double heavy meson-baryon system

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arxiv 1012.5949 v3 pith:KTL3TAI4 submitted 2010-12-29 hep-ph

classification hep-ph
keywords heavypotentialcut-offexchangebaryonbindboundcalculate
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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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  1. Doubly-charmed pentaquark states in a mass splitting model

    hep-ph 2025-04 conditional novelty 5.0 of 10

    Using a color-magnetic interaction model anchored to P_c(4312), the authors predict three stable doubly-charmed pentaquarks below their strong decay thresholds.

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