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- W4308760231 abstract "We investigate the double-charm and hidden-charm hexaquarks as molecules in the framework of the one-boson-exchange potential model. The multichannel coupling and $S-D$ wave mixing are taken into account carefully. We adopt the complex scaling method to investigate the possible quasibound states, whose widths are from the three-body decay channel $Lambda_cLambda_cpi$ or $Lambda_cbar{Lambda}_cpi$. For the double-charm system of $I(J^P)=1(1^+)$, we obtain a quasibound state, whose width is 0.50 MeV if the binding energy is -14.27 MeV. And the $S$-wave $Lambda_cSigma_c$ and $Lambda_cSigma_c^*$ components give the dominant contributions. For the $1(0^+)$ double-charm hexaquark system, we do not find any pole. We find more poles in the hidden-charm hexaquark system. We obtain one pole as a quasibound state in the $I^G(J^{PC})=1^+(0^{--})$ system, which only has one channel $(Lambda_cbar{Sigma}_c+Sigma_cbar{Lambda}_c)/sqrt{2}$. Its width is 1.72 MeV with a binding energy of -5.37 MeV. But, we do not find any pole for the scalar $1^-(0^{-+})$ system. For the vector $1^-(1^{-+})$ system, we find a quasibound state. Its energies, widths and constituents are very similar to those of the $1(1^+)$ double-charm case. In the vector $1^+(1^{--})$ system, we get two poles -- a quasibound state and a resonance. The quasibound state has a width of 0.6 MeV with a binding energy of -15.37 MeV. For the resonance, its width is 2.72 MeV with an energy of 63.55 MeV relative to the $Lambda_cbar{Sigma}_c$ threshold. And its partial width from the two-body decay channel $(Lambda_cbar{Sigma}_c-Sigma_cbar{Lambda}_c)/sqrt{2}$ is apparently larger than the partial width from the three-body decay channel $Lambda_cbar{Lambda}_cpi$." @default.
- W4308760231 created "2022-11-15" @default.
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- W4308760231 date "2022-11-09" @default.
- W4308760231 modified "2023-09-27" @default.
- W4308760231 title "Double-charm and hidden-charm hexaquark states under the complex scaling method" @default.
- W4308760231 doi "https://doi.org/10.48550/arxiv.2211.05050" @default.
- W4308760231 hasPublicationYear "2022" @default.
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