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A Simultaneous, Direct Determination of alpha_s and the Gluon Density in the Proton in a QCD Fit to DIS Jet Data |
| Reference |
E. Tassi, talk presented at ICHEP 2000, July 2000 |
| Document |
Conference paper
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| Figures |
(1)
(1b)
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| Contact |
Markus Wobisch |
| Abstract |
We present the results of a QCD fit to different cross sections measured in deep-inelastic scattering with the H1 detector at HERA. In a combined fit to inclusive DIS cross sections and to dijet and inclusive jet cross sections measured in the Breit frame, we determine the strong coupling constant alpha(MZ) simultaneously with the gluon and the quark densities in the proton. The result shows a large anticorrelation between alpha(MZ) and the value of the gluon density at fixed values of the momentum fraction x. |
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