Matches in SemOpenAlex for { <https://semopenalex.org/work/W2621856913> ?p ?o ?g. }
- W2621856913 abstract "In terms of ${cal P}_{c1,c2}={cal P}_c(4380,4450)^+$ as the hidden charm pentaquark states to consist of $cbar c uud$, we study the semileptonic $Lambda_bto ({cal P}_{c1,c2}to)J/psi p ell^-bar nu_ell$ decays. In our discussion, while the main contribution to $Lambda_bto K^-J/psi p$ is from the non-perturbative process via the doubly charmful $bto cbar cs$ transition, we propose that the $Lambda_bto {cal P}_{c1,c2}to J/psi p$ transitions are partly contribute to the $Lambda_bto K^-({cal P}_{c1,c2}to)J/psi p$ decays, in which the required $cbar c$ pair is formed by the sea quarks, intrinsic charm, or both. We predict that ${cal B}(Lambda_bto J/psi p ell^-bar nu_ell)=(2.04^{+4.82}_{-1.57},1.75^{+4.14}_{-1.35})times 10^{-6}$ for $ell=(e,mu)$, which are about two orders of magnitude smaller than the observed decay of $Lambda_bto pmubar nu_mu$. We also explore the angular correlations for the $J/psi p$ and $ell^-bar nu_ell$ pairs. Our results of the decay branching ratios and angular asymmetries in $Lambda_bto J/psi p ell^-bar nu_ell$, accessible to the ongoing experiments at the LHCb, can be used to improve the understanding of the hidden charm pentaquark states." @default.
- W2621856913 created "2017-06-15" @default.
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- W2621856913 date "2017-08-01" @default.
- W2621856913 modified "2023-10-16" @default.
- W2621856913 title "Pentaquarks in semileptonicΛbdecays" @default.
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- W2621856913 doi "https://doi.org/10.1016/j.aop.2017.06.001" @default.
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