Photoproduction and electroproduction yields of Lambda_c(2940) as a molecule versus a three-quark state are predicted to be of the same order of magnitude at EicC and EIC, with total yields of 10^5 to 10^7 events.
Charm production from photo-nucleon reaction in a hadronic model
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abstract
We study the total cross section for photo production of open charm hadrons near threshold using a hadronic Lagrangian. Both two-body final states involving $\Lambda_c$ and a charmed meson as well as three-body final states involving nucleon and a charm-anticharm meson pair are included. With appropriate cut-off parameters in the form factors at interaction vertices, the model gives a total cross section that is consistent with the measured data at center-of-mass energy of 6 GeV. The result is compared with the prediction from the leading-order perturbative QCD.
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Investigation of $\Lambda_c$ States and $(\bar{D}N)$ Molecules Production at EicC and EIC
Photoproduction and electroproduction yields of Lambda_c(2940) as a molecule versus a three-quark state are predicted to be of the same order of magnitude at EicC and EIC, with total yields of 10^5 to 10^7 events.