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Measurements of jet substructure and jet fragmentation using the ATLAS detector

by Javier Llorente Merino

Submission summary

As Contributors: Javier Llorente Merino
Preprint link: scipost_202107_00084v1
Date submitted: 2021-07-30 03:06
Submitted by: Llorente Merino, Javier
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Academic field: Physics
  • High-Energy Physics - Experiment
Approach: Experimental


Measurements of the internal properties of jets at the LHC interaction scale allow QCD to be studied in a new energy regime. In this talk, we discuss recent measurements of jet substructure and jet fragmentation, which were performed using data collected by the ATLAS experiment at a centre-of-mass energy of $\sqrt{s}=13$ TeV. The fragmentation properties of jets, such as the jet charge and summed fragmentation function, are measured using charged particles. A comprehensive suite of jet substructure observables is also measured for jets reconstructed with the soft-drop algorithm applied. In addition, a measurement of the Lund plane is performed using charged particles. All of the measurements are corrected for detector effects and are compared to the predictions of state-of-the-art Monte Carlo event generators.

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Submission scipost_202107_00084v1 on 30 July 2021

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