Publication: Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range
Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range
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Ahmadova, F., Daniel, B., Chen, X., Gäßler, J., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Gwenlan, C., Heinrich, G., Huss, A., Kunz, L., Pires, J., Rabbertz, K., & Sutton, M. (2025). Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range. Physical Review Letters, 135(3), 031903. https://doi.org/10.1103/knrv-2r3t
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We determine the value of the strong coupling αs and study its running over a wide range of scales as probed by the dijet production process at hadron colliders, based on a next-to-next-to-leading-order QCD analysis of LHC dijet data. From a large subset of these data a value of αs(mZ)=0.1178±0.0022 is obtained for the strong coupling at the scale of the Z-boson mass mZ, using the invariant mass of the dijet system to select the scale where αs is probed. The combination of different datasets enhances the reach and precision of the ana
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Ahmadova, F., Daniel, B., Chen, X., Gäßler, J., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Gwenlan, C., Heinrich, G., Huss, A., Kunz, L., Pires, J., Rabbertz, K., & Sutton, M. (2025). Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range. Physical Review Letters, 135(3), 031903. https://doi.org/10.1103/knrv-2r3t
