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$B_{(s)}\to D_{(s)}^{(*)}M$ decays in the presence of final-state interaction
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abstract
In light of the recent data for $\bar{B}_{(s)}\to D^{(*)}_{(s)}P$ and $\bar{B}_{(s)}\to D_{(s)}V$ decays, we perform a model-independent phenomenological analysis in the presence of quasi-elastic rescattering. With the Wilson coefficients including contributions beyond the standard model, lifetimes of $B$ meson as well as the $B^0_d-\bar{B}^0_d$ mixing are investigated for clarifying correlations among the observables. We show that parameter regions for quasi-elastic rescattering, the size of color-suppressed tree amplitudes and new physics are constrained due to the lifetime data. As a consequence, it is revealed that this scenario can be testable by the future LHCb measurement of width difference in $B^0_d-\bar{B}^0_d$ mixing and semi-leptonic CP asymmetry.
Forward citations
Cited by 2 Pith papers
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$B$-meson decay width up to $1/m_b^3$ corrections within and beyond the Standard Model
Complete analytic HQE matching coefficients for B-meson decay widths up to 1/m_b^3 are derived for generic new-physics operators, including previously missing weak-annihilation terms.
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Weak decays of $B_s$ meson in self-consistent covariant light-front approach
A self-consistent light-front quark model calculation gives B_s to P(V) form factors and decay observables, with semileptonic results consistent with lattice QCD and LHCb but nonleptonic predictions requiring fitted e...
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