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- W4387293663 abstract "Within the framework of $SU(3)$ flavor symmetry, we investigate two-body doubly charmful baryonic $Bto{bf B}_cbar{bf B}'_c$ decays, where ${bf B}_cbar{bf B}'_c$ represents the anti-triplet charmed dibaryon. We determine the $SU(3)_f$ amplitudes and calculate ${cal B}(B^-to Xi_c^0bar Xi_c^-)=(3.4^{+1.0}_{-0.9})times 10^{-5}$ and ${cal B}(bar B^0_sto Lambda_c^+bar Xi_c^-)=(3.9^{+1.2}_{-1.0})times 10^{-5}$ induced by the single $W$-emission configuration. We find that the $W$-exchange amplitude, previously neglected in studies, needs to be taken into account. It can cause a destructive interfering effect with the $W$-emission amplitude, alleviating the significant discrepancy between the theoretical estimation and experimental data for ${cal B}(bar B^0toLambda_c^+barLambda_c^-)$. To test other interfering decay channels, we calculate ${cal B}(bar B^0_sto Xi_c^{0(+)}bar Xi_c^{0(+)})=(3.0^{+1.4}_{-1.1})times 10^{-4}$ and ${cal B}(bar B^0to Xi_c^0bar Xi_c^0)=(1.5^{+0.7}_{-0.6})times 10^{-5}$. We estimate non-zero branching fractions for the pure $W$-exchange decay channels, specifically ${cal B}(bar B^0_sto Lambda_c^+bar Lambda_c^-)=(8.1^{+1.7}_{-1.5})times 10^{-5}$ and ${cal B}(bar B^0to Xi_c^+bar Xi_c^-)=(3.0pm 0.6)times 10^{-6}$. Additionally, we predict ${cal B}(B^+_cto Xi_c^+bar Xi_c^0)=(2.8^{+0.9}_{-0.7})times 10^{-4}$ and ${cal B}(B^+_cto Lambda_c^+bar Xi_c^0)=(1.6^{+0.5}_{-0.4})times 10^{-5}$, which are accessible to experimental facilities such as LHCb." @default.
- W4387293663 created "2023-10-03" @default.
- W4387293663 creator A5017123665 @default.
- W4387293663 date "2023-09-28" @default.
- W4387293663 modified "2023-10-04" @default.
- W4387293663 title "Study of two-body doubly charmful baryonic $B$ decays with $SU(3)$ flavor symmetry" @default.
- W4387293663 doi "https://doi.org/10.48550/arxiv.2309.16919" @default.
- W4387293663 hasPublicationYear "2023" @default.
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