Measurement of hadronic event shapes in high-p T multijet final states at √s = 13 TeV with the ATLAS detector

The ATLAS collaboration

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

A measurement of event-shape variables in proton-proton collisions at large momentum transfer is presented using data collected at s = 13 TeV with the ATLAS detector at the Large Hadron Collider. Six event-shape variables calculated using hadronic jets are studied in inclusive multijet events using data corresponding to an integrated luminosity of 139 fb−1. Measurements are performed in bins of jet multiplicity and in different ranges of the scalar sum of the transverse momenta of the two leading jets, reaching scales beyond 2 TeV. These measurements are compared with predictions from Monte Carlo event generators containing leading-order or next-to-leading order matrix elements matched to parton showers simulated to leading-logarithm accuracy. At low jet multiplicities, shape discrepancies between the measurements and the Monte Carlo predictions are observed. At high jet multiplicities, the shapes are better described but discrepancies in the normalisation are observed. [Figure not available: see fulltext.]

本文言語英語
論文番号188
ジャーナルJournal of High Energy Physics
2021
1
DOI
出版ステータス出版済み - 1 2021

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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