PoS - Proceedings of Science
Volume 365 - alphas-2019: Workshop on precision measurements of the QCD coupling constant (ALPHAS2019) - $a_S$ at hadron colliders
Jet substructure and a possible determination of the QCD coupling
F. Ringer
Full text: pdf
Pre-published on: July 22, 2019
Published on: September 13, 2019
Abstract
We review possible avenues toward an extraction of the QCD strong coupling $α_s$ using jet sub-structure techniques. A range of jet substructure observables have been measured recently at the LHC with unprecedented precision. In addition, theoretical advances make it possible to directly compare LHC data and first principles calculations in QCD. LHC jet substructure observables may provide an independent handle on extracting $α_s$ and they are particularly well suited to complement current extractions from electron-positron annihilation data. However, further theoretical and experimental efforts are needed in order to obtain a competitive extraction.
DOI: https://doi.org/10.22323/1.365.0010
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