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Measurement of the absolute branching fraction of D-0 -> K-pi(+)
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BABAR Collaboration (Including: Back, J. J., Harrison, P. F., Latham, Thomas and Mohanty, G. B.). (2008) Measurement of the absolute branching fraction of D-0 -> K-pi(+). Physical Review Letters, Volume 100 (Number 5). Article No. 051802 . doi:10.1103/PhysRevLett.100.051802 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.100.051802
Abstract
We measure the absolute branching fraction for D-0 --> K-pi(+) using partial reconstruction of (B) over bar (0) --> D(*+)Xl(-)(nu) over bar (l) decays, in which only the charged lepton and the pion from the decay D*+ --> D-0 pi(+) are used. Based on a data sample of 230x10(6) (B) over bar pairs collected at the Y(4S) resonance with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC, we obtain B(D-0 --> K-pi(+))=(4.007 +/- 0.037 +/- 0.072)%, where the first uncertainty is statistical and the second is systematic.
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