TL;DR
This paper reports on measurements of beauty quark production in deep inelastic scattering at ZEUS, comparing experimental results with QCD predictions and extracting contributions to the proton structure function.
Contribution
It presents two new measurements of beauty production using different methods and compares the results to theoretical models and previous data.
Findings
Beauty cross sections are measured and compared to QCD predictions.
The beauty contribution to F_2^bbbar is extracted and analyzed.
Results are consistent with theoretical expectations.
Abstract
Two recent measurements of beauty production in deep inelastic scattering based on data collected by the ZEUS detector are summarised. In the first one, the beauty fraction in the data was obtained from events with a muon and a jet. In the second one, beauty cross sections were measured using the decay length significance and mass of inclusive secondary vertices. Differential cross sections are presented and compared to QCD predictions. The beauty contribution to the inclusive proton structure function F_2^bbbar was extracted for the jet+muon measurement and is compared to previous measurements and theoretical predictions.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions