Exploring non-perturbative Sudakov factor via $Z^0$-boson production in $pp$ collisions

Abstract

$Z^0$-boson production at low transverse momentum offers an unique opportunity to explore the non-perturbative Sudakov factor. In this paper, we employ three parameterizations of the non-perturbative Sudakov factor to calculate the ${\varphi }^{\ast }$-distribution and compare our results with the ultra precise experimental data. We extract the free parameters in each parameterization with a ${\chi }^2$ analysis. The parton-momentum-fraction dependence of these free parameters is also studied by comparing the values extracted at different collision energies and different rapidity ranges.

arXiv comment7 pages, 8 figures; slightly revised; more references added

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Cited by in corpus (3)

• Longitudinal and transverse polarizations of $\Lambda$ hyperon in unpolarized SIDIS and $e^{+}{e}^{-}$ annihilation
• Determination of the strong-coupling constant from the $Z$-boson transverse-momentum distribution
• Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation