Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-SMP-22-004 | ||
| Measurement of event shape variables using charged particles inside jets in proton-proton collisions at $ \sqrt{s} = $ 13 TeV | ||
| CMS Collaboration | ||
| 3 April 2025 | ||
| Abstract: Event shape variables, constructed from the four-momenta of the final-state objects in an event, are sensitive to the predictions of quantum chromodynamics in multijet production, while minimizing the impact of systematic uncertainties. A study of five event shape variables is presented, using proton-proton collision data collected at a centre-of-mass energy of 13 TeV with the CMS detector during 2016-2018, corresponding to an integrated luminosity of 138 fb$^{-1}$. The variables are evaluated using the charged particles inside jets. After correcting for detector effects, their distributions are compared with the predictions from a number of models for multijet production. In general, the agreement between the theoretical prediction and the data improves with the increasing average transverse momentum of the two highest $ p_{\mathrm{T}} $ jets of the event. | ||
| Links: CDS record (PDF) ; CADI line (restricted) ; | ||
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Compact Muon Solenoid LHC, CERN |
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