Determination of the strong coupling and its running from measurements of inclusive jet production at CMS
Year: 2026
Type: conference-paper
Abstract: The value of the strong coupling $\alpha_{S}$ is determined in a comprehensive analysis at next-to-next-to-leading order accuracy in quantum chromodynamics. The analysis uses double-differential cross section measurements from the CMS Collaboration at the CERN LHC of inclusive jet production in proton-proton collisions at centre-of-mass energies of 2.76, 7, 8, and 13 TeV, combined with inclusive deep-inelastic data from HERA. The value $\alpha_{S}(m_{\text{Z}}) = 0.1176^{+0.0014}_{-0.0016}$ is obtained at the scale of the Z boson mass. By using the measurements in different intervals of jet transverse momentum, the running of $\alpha_{S}$ is probed for energies between 100 and 1600 GeV.
DOI: 10.22323/1.485.0233
Author: Valentina Guglielmi
Institution: University of Zurich
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7126066821
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