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- W4280491497 abstract "We study the $Xi_b(6100)$ using the methods of QCD sum rules and light-cone sum rules within the framework of heavy quark effective theory. Our results suggest that the $Xi_b(6100)$ can be well interpreted as the $P$-wave bottom baryon of $J^P=3/2^-$, belonging to the $SU(3)$ flavor $mathbf{bar 3}_F$ representation. It has a partner state of $J^P=1/2^-$, labelled as $Xi_b(1/2^-)$, whose mass and width are predicted to be $m_{Xi_b(1/2^-)}=6.08^{+0.13}_{-0.11}$~GeV and $Gamma_{Xi_b(1/2^-)}=4^{+29}_{-~4}$~MeV, with the mass splitting $Delta M=m_{Xi_b(6100)}-m_{Xi_b(1/2^-)}=9pm3$~MeV. We propose to search for it in the $Xi_c({1/2}^-)to Xi_b^{prime}pi$ decay channel. Our results also suggest that the $Lambda_b(5912)$ and $Lambda_b(5920)$ are their partner states with $J^P=1/2^-$ and $3/2^-$ respectively, and moreover, the $Lambda_c(2595)$, $Lambda_c(2625)$, $Xi_c(2790)$, and $Xi_c(2815)$ are their charmed partner states." @default.
- W4280491497 created "2022-05-22" @default.
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- W4280491497 date "2022-05-15" @default.
- W4280491497 modified "2023-09-27" @default.
- W4280491497 title "Identifying the $Xi_b(6100)$ as the $P$-wave bottom baryon of $J^P=3/2^-$" @default.
- W4280491497 doi "https://doi.org/10.48550/arxiv.2205.07224" @default.
- W4280491497 hasPublicationYear "2022" @default.
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