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Photoproduction of $$bar{D}^0 Lambda_c^+$$ within the Regge-plus-resonance model

Skoupil, D.*; Yamaguchi, Yasuhiro  

$$bar{D}$$-meson photoproduction off the proton is studied, which will be useful tool to investigate the charmed-hadron properties. Since many parameters are still unknown in the charmed-hadron photoproduction, we employ the Regge-plus-resonance model, where there are limited number of parameters needed to be adjusted. The background part is modeled within the Regge model with the $$bar{D}^0$$ trajectories being exchanged in the $$t$$ channel or $$Lambda_c^+$$ trajectories in the $$u$$ channel. These contributions create the cross sections which are smooth functions of energies. We also introduce the exchange of the hidden-pentaquarks $$P_c$$ in the $$s$$ channel that create the sharp peak in the cross section predictions.

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Category:Astronomy & Astrophysics

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