Karlsruhe 2011 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 30: QCD V

T 30.7: Gruppenbericht

Freitag, 1. April 2011, 15:30–15:50, 30.33: 001

Measurements of open charm production with LHCb — •Markward Britsch, Michael Schmelling, Osvaldo Aquines, Florin Maciuc, Dmitry Popov, Mikhail Zavertyaev, Konrad Briggl, and Peter Schichtel — MPIK, Heidelberg, Germany

The LHCb experiment covers a unique kinematic range at the LHC. With its excellent vertex resolution and particle identification it has very good capabilities for heavy quark production measurements. In this contribution we report on open charm production in inelastic pp collisions at a center-of-mass energy of 7 TeV. Cross-sections have been determined for D⁰/D⁰, D^*±, D^±, and D_s^± in bins of transverse momentum and rapidity in the region 0 < p_T < 8 GeV and 2 < y < 4.5. The results are compared with theoretical predictions and with expectations from the LHCb tuning of the PYTHIA generator.