Charm fragmentation and excited charm and charm-strange mesons at ZEUS
Abstract
The charm fragmentation function has been measured in photoproduction of jets containing D*+- mesons. The measured function has been used to extract free parameters of different fragmentation models. Measurements of excited charm, D1(2420)0 and D2*(2460)0, and charm-strange, Ds1(2536)+-, mesons and a search for the radially excited charm meson, D*'(2640)+-, were also performed. The results are compared with those measured previously and with theoretical expectation.
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