Measurements of Absolute Hadronic Branching Fractions of D Mesons

Details Measurements of Absolute Hadronic Branching Fractions of D Mesons Measurements of Absolute Hadronic Branching Fractions of D Mesons

2006-03-15

arxiv.org/abs/hep-ex/0603030v1

AIPConf.Proc.842:598-600,2006

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, to appear in the Proceedings of PANIC'05 (Particles and Nuclei International Conference), Santa Fe, NM, October 24-28

Scientific paper

10.1063/1.2220334

Using e+e- collisions recorded at the psi(3770) resonance with the CLEO-c detector at the Cornell Electron Storage Ring, we determine absolute hadronic branching fractions of charged and neutral D mesons. Among measurements for both Cabibbo-favored and Cabibbo-suppressed modes, we obtain reference branching fractions B(D0 -> K-pi+)=(3.91 +- 0.08 +- 0.09)% and B(D+ -> K-pi+pi+)=(9.5 +- 0.2 +- 0.3)%, where the uncertainties are statistical and systematic, respectively. Using a determination of the integrated luminosity, we also extract the e+e- -> DDbar cross sections.

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