Charm hadronisation in gamma-p collisions with ZEUS at HERA
Abstract
The measured D*+/-, D0, D+/-, Ds+/- and /\c+/- photoproduction cross sections have been used to determine charm fragmentation ratios and fractions of c quarks hadronising as a particular charm hadron, f(c -> D, /\c). Events with a D*+/- meson produced in association with an energetic jet have been used to measure the charm fragmentation function. The results are compared with different models and with previous measurements.
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