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arXiv · 1305.4434

Discovery potential of hidden charm baryon resonances via photoproduction

Yin Huang·Jun He·Hong-Fei Zhang·Xu-Rong Chen
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Abstract

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. The results will be helpful to the experimental search for the hidden-charmed baryon resonances in the coming experiment at JLab 12 GeV, such as SoLID, and the proposed electron-ion colliders at FAIR and HIAF.

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Yin Huang, Jun He, Hong-Fei Zhang, Xu-Rong Chen. 2013-05-20. Discovery potential of hidden charm baryon resonances via photoproduction. https://doi.org/10.1088/0954-3899/41/11/115004

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