August 29, 2022 to September 4, 2022
America/New_York timezone

No show: Parton and Gluon Distributions in Nucleons and Nuclei at ATLAS

Not scheduled
25m
Parallel session talk Parton and Gluon Distributions in Nucleons and Nuclei PDF: Parton and Gluon Distributions in Nucleons and Nuclei

Speaker

ATLAS Collaboration

Description

We present fits to determine parton distribution functions (PDFs) using a diverse set of measurements from the ATLAS experiment at the LHC, including inclusive W and Z boson production, ttbar production, W+jets and Z+jets production, inclusive jet production and direct photon production. These ATLAS measurements are used in combination with deep-inelastic scattering data from HERA. Particular attention is paid to the correlation of systematic uncertainties within and between the various ATLAS data sets and to the impact of model, theoretical and parameterisation uncertainties. Correlations between charged particles provide important insight about hadronization processes. We present recent results on two- and three- particle correlations and compare them to predictions based on the quantized fragmentation of a three dimensional QCD string (helix). These studies also provide an alternative interpretation of the so-called Bose-Einstein phenomenon.

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