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arxiv: 1609.03235 · v3 · pith:RESBDXJ5new · submitted 2016-09-12 · ✦ hep-ph · hep-ex· hep-lat· nucl-ex· nucl-th

Possible strange hidden-charm pentaquarks from Sigma_c^((*))bar{D}_s^* and Xi^((',*))_cbar{D}^* interactions

classification ✦ hep-ph hep-exhep-latnucl-exnucl-th
keywords hidden-charmpentaquarksfracmolecularsigmainteractionscandidatesconsidering
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Using the one-boson-exchange model, we investigate the $\Lambda_c\bar{D}_s^*$, $\Sigma_c\bar{D}_s^*$, $\Sigma_c^*\bar{D}_s^*$, $\Xi_c\bar{D}^*$, $\Xi_c'\bar{D}^*$, and $\Xi_c^*\bar{D}^*$ interactions by considering the one-eta-exchange and/or one-pion-exchange contributions. We further predict the existence of hidden-charm molecular pentaquarks. Promising candidates for hidden-charm molecular pentaquarks include a $\Xi_c'\bar{D}^*$ state with $0(\frac{1}{2}^-)$ and the $\Xi_c^*\bar{D}^*$ states with $0(\frac{1}{2}^-)$ and $0(\frac{3}{2}^-)$. Experimental searches for these predicted hidden-charm molecular pentaquarks are an interesting future research topic for experiments like LHCb.

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