Observation of the Radiative Decay $D^{*+}\to D^{+}γ$

Details Observation of the Radiative Decay $D^{*+}\to D^{+}γ$ Observation of the Radiative Decay $D^{*+}\to D^{+}γ$

1997-11-19

arxiv.org/abs/hep-ex/9711011v1

Phys.Rev.Lett.80:3919-3923,1998

Physics

High Energy Physics

High Energy Physics - Experiment

10 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Scientific paper

10.1103/PhysRevLett.80.3919

We have observed a signal for the decay D*+ -> D+ gamma at a significance of 4 standard deviations. From the measured branching ratio B(D*+ -> D+ gamma)/B(D*+ -> D+ pi0)=0.055 +- 0.014 +- 0.010 we find B(D*+ -> D+ gamma)= 0.017 +- 0.004 +- 0.003, where the first uncertainty is statistical and the second is systematic. We also report the highest precision measurements of the remaining D*+ branching fractions.

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