Title

Measurement of ℬ (D0 → K-π+) Using Partial Reconstruction of Using Partial Reconstruction of ¯ B → D*+ Xℓ- ¯v

Document Type

Article

Publication Date

1-1-1998

Abstract

We present a measurement of the absolute branching fraction for D → K π using the reconstruction of the decay chain ¯ B → D* Xℓ ¯v where only the lepton and the low-momentum pion from the D* are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D → K π )=[3.81±0.15(stat)±0.16(syst)]%. © 1998 The American Physical Society. 0 - + + - + 0 - +

Publication Name

Physical Review Letters

Volume Number

80

First Page

3193

Last Page

3197

Issue Number

15

DOI

10.1103/PhysRevLett.80.3193

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