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Editorial
Authors:Haidt  D.  Zerwas  P.
Affiliation:D. Buskulic, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J. -P. Lees, M. -N. Minard, B. Pietrzyk, F. Ariztizabal and P. Comas, et al.
Abstract:The production of charmed mesons
$$mathop {D^0 }limits^{( - )} $$
,D±, andD is studied in a sample of 478,000 hadronicZ decays. The production rates are measured to be

$$begin{gathered}  frac{{Gamma ({rm Z} to D^{* pm } X)}}{{Gamma _{had} }} = 0.187 pm 0.015(exp .) pm 0.013(BR), hfill   frac{{Gamma ({rm Z} to D^ pm  X)}}{{Gamma _{had} }} = 0.251 pm 0.026(exp .) pm 0.025(BR), hfill   frac{{Gamma ({rm Z} to mathop {D^0 }limits^{( - )} X)}}{{Gamma _{had} }} = 0.518 pm 0.052(exp .) pm 0.035(BR), hfill  end{gathered} $$
Keywords:
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