Measurement of the Differential $q^2$ Spectrum and Forward-Backward Asymmetry for $B \to K^{(*)} \ell^+ \ell^-$

et al. (for the Belle Collaboration); K. Abe

arxiv: hep-ex/0410006 · v2 · pith:EMEQPZ7Rnew · submitted 2004-10-04 · ✦ hep-ex

Measurement of the Differential q² Spectrum and Forward-Backward Asymmetry for B to K^((*)) ell^+ ell^-

K. Abe , et al. (for the Belle Collaboration) This is my paper

classification ✦ hep-ex

keywords asymmetrydifferentialforward-backwardmeasurementsspectrumaccumulatedbellebranching

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We report measurements of the differential $q^2$ spectrum and the forward-backward asymmetry for $B \to K^{(*)} \ell^+\ell^-$, where $\ell$ represents an electron or a muon, with a data sample of 253 fb$^{-1}$ accumulated on the $\Upsilon(4S)$ resonance with the Belle detector at KEKB. We also present measurements of the branching fractions and their ratios.

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Measurement of the Differential q² Spectrum and Forward-Backward Asymmetry for B to K^((*)) ell^+ ell^-

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