English

Looking for the hidden-charm pentaquark resonances in $J/\psi p$ scattering

High Energy Physics - Phenomenology 2019-04-02 v1

Abstract

In the framework of quark delocalization color screening model, the three new reported pentaquarks Pc(4312)P_{c}(4312), Pc(4440)P_{c}(4440), and Pc(4457)P_{c}(4457) can be identified as the hidden-charm molecular states ΣcD\Sigma_{c}D with JP=12J^{P}=\frac{1}{2}^{-}, ΣcD\Sigma_{c}D^{*} with JP=32J^{P}=\frac{3}{2}^{-}, and ΣcD\Sigma_{c}D^{*} with JP=12J^{P}=\frac{1}{2}^{-}, in the baryon-meson scattering process, respectively. Besides, the ΣcD\Sigma^{*}_{c}D^{*} of both JP=12J^{P}=\frac{1}{2}^{-} and JP=32J^{P}=\frac{3}{2}^{-} are also possible molecular pentaquarks. Moreover, the calculation is extended to the PcP_{c}-like molecular pentaquarks PbP_{b}. Several states with masses above 1111 GeV and narrow width are obtained. All these heavy pentaquarks are worth searching in the future experiments.

Keywords

Cite

@article{arxiv.1904.00221,
  title  = {Looking for the hidden-charm pentaquark resonances in $J/\psi p$ scattering},
  author = {Hongxia Huang and Jun He and Jialun Ping},
  journal= {arXiv preprint arXiv:1904.00221},
  year   = {2019}
}

Comments

5 pages, 2 figures. arXiv admin note: substantial text overlap with arXiv:1811.04260