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- W2610439273 abstract "Two-body charmless hadronic $B_c$ decays involving a light $1^3!P_2$-tensor($T$) meson are investigated for the first time within the framework of perturbative QCD(pQCD) at leading order, in which the other meson is the lightest pseudoscalar($P$) or vector($V$) state. The concerned processes can only occur through the pure weak annihilation topology in the standard model. We predict the CP-averaged branching ratios and polarization fractions of those considered decays in Cabibbo-Kobayashi-Maskawa(CKM) favored and suppressed modes. Phenomenologically, several modes$-$such as the $B_c to K_2^*(1430) K$ and the CKM-favored $B_c to TV-$have large decay rates of $10^{-6}$, which are expected to be detected at Large Hadron Collider experiments in the near future. Moreover, all of the $B_c to TV$ modes are governed by the longitudinal amplitudes in the pQCD calculations and the corresponding fractions vary around $78%$-$98%$. A confirmation of these results could prove the reliability of the pQCD approach used here and further shed some light on the annihilation decay mechanism." @default.
- W2610439273 created "2017-05-12" @default.
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- W2610439273 date "2017-07-20" @default.
- W2610439273 modified "2023-09-25" @default.
- W2610439273 title "Nonleptonic charmless decays of Bc→TP,TV in the perturbative QCD approach" @default.
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- W2610439273 doi "https://doi.org/10.1103/physrevd.96.013005" @default.
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