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

Mar 30, 2019

5 pages

e-Print:

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Abstract: (arXiv)

In the framework of quark delocalization color screening model, the three new reported pentaquarks

P_{c}(4312)

,

P_{c}(4440)

, and

P_{c}(4457)

can be identified as the hidden-charm molecular states

\Sigma_{c}D

with

J^{P}=\frac{1}{2}^{-}

,

\Sigma_{c}D^{*}

with

J^{P}=\frac{3}{2}^{-}

, and

\Sigma_{c}D^{*}

with

J^{P}=\frac{1}{2}^{-}

, in the baryon-meson scattering process, respectively. Besides, the

\Sigma^{*}_{c}D^{*}

of both

J^{P}=\frac{1}{2}^{-}

and

J^{P}=\frac{3}{2}^{-}

are also possible molecular pentaquarks. Moreover, the calculation is extended to the

P_{c}-

like molecular pentaquarks

P_{b}

. Several states with masses above

11

GeV and narrow width are obtained. All these heavy pentaquarks are worth searching in the future experiments.

Note:

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

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Figures(2)

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Looking for the hidden-charm pentaquark resonances in J/ψpJ/\psi pJ/ψp scattering