Heidelberg 2007 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 412: QCD Experiment II
T 412.3: Vortrag
Donnerstag, 8. März 2007, 17:20–17:35, INF 327 SR 2
Determination of unintegrated gluon densities with F2cc at HERA — •Axel Cholewa — H1 Collaboration, DESY, Hamburg
Since the cross section of the production of heavy quarks at the electron proton collider HERA is dominated by gluons, the determination of gluon densities is an essential contribution to research in this field. Methods will be presented to fit unintegrated, i. e. transverse momentum dependent gluon densities to inclusive cross sections.
The main focus will be the structure function F2cc, which describes the charm quark content of the proton. It is therefore a suitable measurement for the determination of unintegrated gluon densities. The results of fits to F2cc will be presented, as well as a study on the experimental uncertainties of the resulting gluon densities.