2013

Discovery potential of hidden charm baryon resonances via photoproduction

Huang, Yin, He, Jun, Zhang, Hong-Fei et al.

Understand

In this work, we study the possibility to find $N^*_{c\bar{c}}$ and $\Lambda^*_{c\bar{c}}$ resonances with hidden charm with mass above 4 GeV in the photon-induced production.

  • The cross sections for the photoproductions of hidden charmed baryons are predicted in the effective Lagrangian approach with the vector meson dominance mechanism.
  • The $N^*(4412)$ can be produced directly by photon excitation with total cross section about 1 nb.
  • The $N^*(4412)$ provides a obvious peak near threshold for $J/\psi$ photoproduction, which is promising to be checked by the future high precision experiment at JLab 12 GeV.

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