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Editorial

Authors:

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

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

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