D* Production in Two-Photon Collisions
Stefano Frixione, Michael Kr\"amer (CERN-TH), Eric Laenen (NIKHEF,, Amsterdam)
TL;DR
This paper calculates D* meson production rates in two-photon collisions at LEP2, incorporating next-to-leading order QCD corrections and analyzing various theoretical uncertainties, then comparing results with experimental data.
Contribution
It provides the first detailed NLO QCD predictions for D* production in two-photon collisions, including comprehensive uncertainty analysis and comparison with LEP2 data.
Findings
Predictions agree with experimental data within uncertainties
Sensitivity to renormalization scale and charm mass is thoroughly analyzed
Results highlight the importance of NLO corrections in such processes
Abstract
We calculate total and differential production rates of D* mesons in two-photon collisions at LEP2. We include full next-to-leading order QCD corrections, and perform an extensive study of the sensitivity of our predictions to variations of the renormalization scale, charm mass, photonic parton distribution set and fragmentation function. The results are compared with recent data from LEP2.
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