Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2001-05-14
Physics
High Energy Physics
High Energy Physics - Experiment
6 pages, 5 figures, submitted to Moriond QCD 2001
Scientific paper
We have made the first measurement of the D*+ width using 9/fb of e+e- data collected near the Y4S resonance by the CLEO II.V detector. Our method uses advanced tracking techniques and a reconstruction method that takes advantage of the small vertical size of the CESR beam spot to measure the energy release distribution from the D*+ -> D0 pi+ decay. Our preliminary result is Gamma(D*+) = 96 +- 4 (Statistical) +- 22 (Systematic) keV.
CLEO Collaboration
Dubrovin Mikhail
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