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- W2553309137 abstract "We use a combination of quark-antiquark and $B^{(*)}K$ interpolating fields to predict the mass of two QCD bound states below the $B^*K$ threshold in the quantum channels $J^P=0^+$ and $1^+$. The mesons correspond to the b-quark cousins of the $D_{s0}^*(2317)$ and $D_{s1}(2460)$ and have not yet been observed in experiment, even though they are expected to be found by LHCb. In addition to these predictions, we obtain excellent agreement of the remaining p-wave energy levels with the known $B_{s1}(5830)$ and $B_{s2}^*(5840)$ mesons. The results from our first principles calculation are compared to previous model-based estimates. More recently the D0 collaboration claimed the existence of an exotic resonance $X(5568)$ with exotic flavor content $bar{b}sbar{d}u$. If such a state with $J^P=0^+$ exists, only the decay into $B_spi$ is open which makes a lattice search for this state much cleaner and simpler than for other exotic candidates involving heavy quarks. We conclude, however, that we do not find such a candidate in agreement with a recent LHCb result." @default.
- W2553309137 created "2016-11-30" @default.
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- W2553309137 date "2016-12-27" @default.
- W2553309137 modified "2023-09-24" @default.
- W2553309137 title "Prediction of positive parity Bs mesons and search for the X(5568)" @default.
- W2553309137 doi "https://doi.org/10.22323/1.256.0391" @default.
- W2553309137 hasPublicationYear "2016" @default.
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