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• W2898830219 abstract "In this note, we study the contributions from the S-wave resonances, f_{0}(980) and f_{0}(1500), to the B^{0}_{s}rightarrow psi(3770)pi^ {+}pi^{-} decay by introducing the S-wave pipi distribution amplitudes within the framework of the perturbative QCD approach. Both resonant and nonresonant contributions are contained in the scalar form factor in the S-wave distribution amplitude Phi^S_{pipi}. Since the vector charmonium meson psi(3770) is a S-D wave mixed state, we calculated the branching ratios of S-wave and D-wave respectively, and the results indicate that f_{0}(980) is the main contribution of the considered decay, and the branching ratio of the psi(2S) mode is in good agreement with the experimental data. We also take the S-D mixed effect into the B^{0}_{s}rightarrow psi(3686)pi^ {+}pi^{-} decay. Our calculations show that the branching ratio of B^{0}_{s}rightarrow psi(3770)(psi(3686))pi^ {+}pi^{-} can be at the order of 10^{-5}, which can be tested by the running LHC-b experiments." @default.
• W2898830219 created "2018-11-09" @default.
• W2898830219 creator A5032962307 @default.
• W2898830219 creator A5046747438 @default.
• W2898830219 creator A5054625306 @default.
• W2898830219 date "2019-04-29" @default.
• W2898830219 modified "2023-09-27" @default.
• W2898830219 title "Study of the quasi-two-body decays $$B^{0}_{s} rightarrow psi (3770) (psi (3686))pi ^+pi ^-$$ B s 0 → ψ ( 3770 ) ( ψ ( 3686 ) ) π + π - with perturbative QCD approach" @default.
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• W2898830219 doi "https://doi.org/10.1140/epjc/s10052-019-6877-2" @default.
• W2898830219 hasPublicationYear "2019" @default.
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