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Possible bound state of the double heavy meson-baryon system

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 $Λ_b-\bar B$. Though our result is sensitive to the cut-off, the value of the cut-off is in the reasonable region.

preprint2015arXivOpen access
Qing XuHongying JinT. G. Steele
hep-ph
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Open access3 authors1 topic
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Qing XuHongying JinT. G. Steele

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