PoS - Proceedings of Science
Volume 365 - alphas-2019: Workshop on precision measurements of the QCD coupling constant (ALPHAS2019) - $a_S$ at hadron colliders
Determination of $a_S(m_Z)$ from the Z-boson transverse momentum distribution
S. Camarda
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Pre-published on: July 22, 2019
Published on: September 13, 2019
The strong-coupling constant αs(mZ)is measured from the transverse-momentum distribution of Z bosons measured at√s=1.96 TeV with the CDF experiment, using predictions based on qT-resummation at NNLO+NNLL, as implemented in the DY Turboprogram. The measurement is performed through a simultaneous fit of αs(mZ)and the non-perturbative Sudakov form factor.
DOI: https://doi.org/10.22323/1.365.0014
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