Study of ${\rm Y}(nS)$ $\to$ $B_{c}P$ decays with perturbative QCD approach

Abstract

With the potential prospects of the ${\rm Y}(nS)$ at high-luminosity dedicated heavy-flavor factories, the color-favored ${\rm Y}(nS)$ $\to$ $B_c\pi$, $B_{c}K$ weak decays are studied with the pQCD approach. It is found that branching ratios for the ${\rm Y}(nS)$ $\to$ $B_c\pi$ decay are as large as the order of $\mathcal{O}(10^{-11})$, which might be measured promisingly by the future experiments.

14 pages, 2 figures. arXiv admin note: substantial text overlap with arXiv:1610.06986

References in corpus (5)

• Big-Bang Nucleosynthesis
• $B\to \pi \ell {\nu }_l$ Width and $|V_{ub}|$ from QCD Light-Cone Sum Rules
• Production of inclusive ${\rm Y}$(1S) and ${\rm Y}$(2S) in p-Pb collisions at $\sqrt{{\mathbf{s}}_{\mathrm{NN}}}=5.02$ TeV
• Beauty mesons in lattice QCD with exact chiral symmetry
• Heavy Flavour Physics at the LHC

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• ${\rm Y}(nS)$ $\to$ $B_c\rho$, $B_c{K}^{\ast }$ decays with perturbative QCD approach
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• Searching for the toponium ${\eta }_t$ with the ${\eta }_t$ $\to$ $W^{+}{W}^{-}$ decay
• The ${\rm Y}(nS)$ $\to$ $B_c{D}_s$, $B_c{D}_d$ decays with perturbative QCD approach
• Study of the two-body nonleptonic $B_c(2S)$ weak decays with the QCD factorization approach
• Flavor Dependent Effects on Rare Weak Decays of $B_c^{\ast }$ and $B_s^{\ast }$ Mesons