Studies of correlations between D and ${\bar D}$ mesons in high energy photoproduction

Details Studies of correlations between D and ${\bar D}$ mesons in high energy photoproduction Studies of correlations between D and ${\bar D}$ mesons in high energy photoproduction

2003-05-12

arxiv.org/abs/hep-ex/0305018v1

Phys.Lett.B566:51-60,2003

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 4 figures

Scientific paper

10.1016/S0370-2693(03)00808-6

Studies of $D{\bar D}$ correlations for a large sample of events containing fully and partially reconstructed pairs of charmed $D$ mesons recorded by the Fermilab photoproduction experiment FOCUS (FNAL-E831) are presented. Correlations between $D$ and ${\bar D}$ mesons are used to study heavy quark production dynamics. We present results for fully and partially reconstructed charm pairs and comparisons to a recent version of \textsc{Pythia} with default parameter settings. We also comment on the production of $\psi(3770)$ in our data.

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