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- W3015365809 abstract "Inspired by the newly observed $Xi_c^0$ states by the LHCb Collaboration, we investigate the OZI-allowed two-body strong decays of the $lambda$-mode $1P$ wave $Xi'_c$ states within the chiral quark model. Our results indicate that: (i) the newly observed states $Xi_c(2923)^0$ and $Xi_c(2939)^0$ are good candidates of the $lambda$-mode $1P$ wave $Xi'_c$ states with the spin-parity $J^P=3/2^-$, namely $|^4P_{lambda}3/2^-rangle$ and $|^2P_{lambda}3/2^-rangle$, respectively. (ii) The another newly observed state $Xi_c(2965)^0$ mostly corresponds to the $lambda$-mode $1P$-wave $Xi'_c$ state with the spin-parity $J^P=5/2^-$, namely $|^4P_{lambda}5/2^-rangle$. (iii) For the two $lambda$-mode $J^P=1/2^-$ mixed states, the $|P_{lambda}~1/2^-rangle_1$ is a narrow state with a width of $Gammasim15$ MeV and mainly decays into $Xi'_cpi$; while the $|P_{lambda}~1/2^-rangle_2$ state has a width of $Gammasim52$ MeV and dominantly decays into $Xi_cpi$ and $Lambda_cK$ channels. If the broad structure around $2880$ MeV observed at LHCb arises from the new $Xi^0_c$ state, this state is very likely to be the $|P_{lambda}~1/2^-rangle_2$ state." @default.
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- W3015365809 date "2020-08-26" @default.
- W3015365809 modified "2023-10-10" @default.
- W3015365809 title "Understanding the newly observed <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msubsup><mml:mi mathvariant=normal>Ξ</mml:mi><mml:mi>c</mml:mi><mml:mn>0</mml:mn></mml:msubsup></mml:math> states through their decays" @default.
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- W3015365809 doi "https://doi.org/10.1103/physrevd.102.034029" @default.
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