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- W2053449237 abstract "The LHCb experiment observed B+ --> pi+ mu+ mu- decay with 1.0 fb^-1 data, which is the first measurement of a flavor changing neutral current b --> d l+ l- decay (l = e, mu). Based on QCD factorization, we give Standard Model predictions for the branching ratios, direct CP asymmetries, and isospin asymmetry for B --> pi l+ l- decays, in the kinematic region where the dilepton invariant mass is small. We find that the contribution from weak annihilation enhances the direct CP asymmetry for low l+ l- pair mass. Anticipating improved measurements, we assess the utility of B+ --> pi+ l+ l- observables, when combined with B0 --> pi- l+ nu and B+ --> K+ l+ l-, for determining CKM parameters in the future." @default.
- W2053449237 created "2016-06-24" @default.
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- W2053449237 date "2014-07-01" @default.
- W2053449237 modified "2023-10-03" @default.
- W2053449237 title "Rates and asymmetries ofB→πℓ+ℓ−decays" @default.
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- W2053449237 doi "https://doi.org/10.1103/physrevd.90.013002" @default.
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