Production of Charmed Mesons in Z Decays The ALEPH Collaboration
P. Colrain,J. G. Lynch, W. Maitland,W. T. Morton, C. Raine, P. Reeves,J. M. Scarr,K. Smith,M. G. Smith,A. S. Thompson, S. Thorn,R. M. Turnbull, B. Brandl, O. Braun, C. Geweniger, G. Graefe, P. Hanke, V. Hepp, C. Karger,E. E. Kluge, Y. Maumary, A. Putzer, B. Rensch, A. Stahl, K. Tittel, M. Wunsch,D. M. Binnie, W. Cameron, M. Cattaneo, D. J. Colling, P. J. Dornan,J. F. Hassard,N. M. Lieske, A. Moutoussi, J. Nash, S. Patton, D. G. Payne,M. J. Phillips,J. K. Sedgbeer,T. J. Brodbeck, E. P. Whelan, J. Carr, P. Coyle, C. Diaconu, J. Drinkard, F. Etienne, P. Cattaneo, F. Dydak, J. Boucrot,D. W. Kim,F. Le Diberder, J. Lefran, R. Tenchini,G. Tonelli semanticscholar（1998）
摘要
The production of charmed mesons ( ) D 0 ;D ; and D is studied in a sample of 478,000 hadronic Z decays. The production rates are measured to be
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