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Determination of the strong coupling and its running from measurements of inclusive jet production

Abstract: The value of the strong coupling aS 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-ofmass energies of 2.76, 7, 8, and 13 Te V, combined with inclusive deep-inelastic data from HERA. The value aS(mZ) = 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 aS is probed for energies between 100 and 1600Ge V.

Autoría: Chekhovsky V., Hayrapetyan A., Makarenko V., Tumasyan A., Adam W., Andrejkovic J.W., Benato L., Bergauer T., Chatterjee S., Damanakis K., Dragicevic M., Hussain P.S., Jeitler M., Krammer N., Li A., Liko D., Mikulec I., Schieck J., Schöfbeck R., Schwarz D., Sonawane M., Waltenberger W., Wulz C.E., Janssen T., Kwon H., Van Laer T., Van Mechelen P., Breugelmans N., D'Hondt J., Dansana S., De Moor A., Delcourt M., Heyen F., Hong Y.,

Fuente: Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, 2025, 868, 139651

Editorial: Elsevier

Fecha de publicación: 01/09/2025

Nº de páginas: 27

Tipo de publicación: Artículo de Revista

DOI: 10.1016/j.physletb.2025.139651

ISSN: 0370-2693,1873-2445

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