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[en] Charm photoproduction has been studied at photon energies around 90 GeV at CERN, with a silicon vertex detector. From the high statistics of reconstructed D mesons (> 1500 D), results are given on PT dependence and cross-section testing the γ-g fusion mechanism and on the percentages of the different D and Ds mesons testing the string-fragmentation mechanism; a possible D** signal is also presented
Source
Schiff, D.; Tran Thanh van, J. (eds.); 704 p; ISBN 2-86332-060-2; 
; 1988; p. 185-194; Editions Frontieres; Gif-sur-Yvette (France); 19. International Symposium on Multiparticle Dynamics 1988; Arles (France); 13-17 Jun 1988
; 1988; p. 185-194; Editions Frontieres; Gif-sur-Yvette (France); 19. International Symposium on Multiparticle Dynamics 1988; Arles (France); 13-17 Jun 1988