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- W4308170799 abstract "We study decuplet baryons from meson-baryon interactions, in particular, $Delta$ and $Omega$ baryons from P-wave $I=3/2$ $Npi$ and $I=0$ $Xibar{K}$ interactions, respectively. The interaction potentials are calculated in the HAL QCD method using 3-quark-type source operators at $m_{pi} approx 410~textrm{MeV}$. We use the conventional stochastic estimation of all-to-all propagators combined with the all-mode averaging to reduce statistical fluctuations. We have found that two potentials have quite similar behaviors, suggesting that a mass difference between $Delta$ and $Omega$ comes mainly from a difference of kinematical structure between $Npi$ and $Xi bar K$, rather than their interactions. The scattering phase shifts calculated from the potentials indicate that $Delta$ and $Omega$ baryons exist as bound states in this lattice setup, whose binding energies are consistent with those obtained from 2-point functions." @default.
- W4308170799 created "2022-11-08" @default.
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- W4308170799 date "2021-11-30" @default.
- W4308170799 modified "2023-10-18" @default.
- W4308170799 title "Investigations of decuplet baryons from meson-baryon interactions in the HAL QCD method" @default.
- W4308170799 doi "https://doi.org/10.48550/arxiv.2111.15563" @default.
- W4308170799 hasPublicationYear "2021" @default.
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