Non-perturbative contributions to vector-boson transverse momentum spectra in hadronic collisions

Abstract

Experimental measurements of Drell-Yan (DY) vector-boson production are available from the Large Hadron Collider (LHC) and from lower-energy collider and fixed-target experiments. In the region of low vector-boson transverse momenta $q_T$, which is important for the extraction of the $W$-boson mass at the LHC, QCD contributions from non-perturbative Sudakov form factors and intrinsic transverse momentum distributions become relevant. We study the potential for determining such contributions from fits to LHC and lower-energy experimental data, using the framework of low-$q_T$ factorization for DY differential cross sections in terms of transverse momentum dependent (TMD) distribution functions. We investigate correlations between different sources of TMD non-perturbative effects, and correlations with collinear parton distributions. We stress the relevance of accurate DY measurements at low masses and with fine binning in transverse momentum for improved determinations of long-distance contributions to Sudakov evolution processes and TMDs.

10 pages, 4 figures

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Cited by in corpus (25)

• Non-perturbative structure of semi-inclusive deep-inelastic and Drell-Yan scattering at small transverse momentum
• Unpolarized Transverse Momentum Distributions from a global fit of Drell-Yan and Semi-Inclusive Deep-Inelastic Scattering data
• Third order fiducial predictions for Drell-Yan at the LHC
• Self-contained definition of the Collins-Soper kernel
• PDF bias and flavor dependence in TMD distributions
• Flavor dependence of unpolarized quark Transverse Momentum Distributions from a global fit
• Continuum limit of parton distribution functions from the pseudo-distribution approach on the lattice
• QCD resummation on single hadron transverse momentum distribution with the thrust axis
• Nonperturbative Collins-Soper Kernel from Chiral Quarks with Physical Masses
• Back-to-back azimuthal correlations in Z+jet events at high transverse momentum in the TMD parton branching method at next-to-leading order
• Transverse momentum moments
• The small kt-region in Drell-Yan production at next-to-leading order with the Parton Branching Method
• Longitudinal Z-Boson Polarization and the Higgs Boson Production Cross Section at the Large Hadron Collider
• Multi-jet Merging with TMD Parton Branching
• Towards three-dimensional nucleon structures at the Electron-Ion Collider in China: A study of the Sivers function
• Infrared Renormalons in Kinematic Distributions for Hadron Collider Processes
• Exploring non-perturbative Sudakov factor via $Z^0$-boson production in $pp$ collisions
• W-boson production in TMD factorization
• Collins-Soper Kernel in the QCD Instanton Vacuum
• Transverse momentum dependent distribution functions in the threshold limit
• Collins-Soper kernel from lattice QCD at the physical pion mass
• Collinear and TMD distributions with dynamical soft-gluon resolution scale
• TMD Evolution and Multi-Jet Merging
• Coarse-grained binning in Drell-Yan transverse momentum spectra
• Lattice QCD Benchmark of Proton Helicity and Flavor-Dependent Unpolarized Transverse Momentum-Dependent Parton Distribution Functions at Physical Quark Masses