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Production of Z-bosons in the parton branching method

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arxiv 1906.00919 v2 pith:UVNG5VIH submitted 2019-06-03 hep-ph

A. Bermudez Martinez , P. Connor , D. Dominguez Damiani , L.I. Estevez Banos , F. Hautmann , H. Jung , J. Lidrych , M. Schmitz
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S. Taheri Monfared Q. Wang R. Zlebcik
This is my paper · ORCID
classification hep-ph
keywords methodpartonpredictionstransverseuncertaintiesbranchingmomentumproduction
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abstract

Transverse Momentum Dependent (TMD) parton distributions obtained from the Parton Branching (PB) method are combined with next-to-leading-order (NLO) calculations of Drell-Yan (DY) production. We apply the MCatNLO method for the hard process calculation and matching with the PB TMDs. We compute predictions for the transverse momentum, rapidity and $\phi^*$ spectra of Z-bosons. We find that the theoretical uncertainties of the predictions are dominated by the renormalization and factorization scale dependence, while the impact of TMD uncertainties is moderate. The theoretical predictions agree well, within uncertainties, with measurements at the Large Hadron Collider (LHC). In particular, we study the region of lowest transverse momenta at the LHC, and comment on its sensitivity to nonperturbative TMD contributions.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Soft-gluon coupling and the TMD parton branching Sudakov form factor

    hep-ph 2024-12 conditional novelty 6.0 of 10

    The parton branching TMD framework is upgraded from NLL to NNLL accuracy using the soft-gluon physical coupling, with the Collins-Soper kernel evaluated at NNLL.

  2. Non-perturbative effects and soft-gluon dynamics in low-$p_T$ Drell-Yan production

    hep-ph 2026-02 conditional novelty 5.0 of 10

    With a remnant-only recoil scheme, the PDF2ISR shower reproduces PB-TMD Drell-Yan predictions and data from sqrt(s)=38.8 GeV to 13 TeV using one energy-independent intrinsic-kT width (q_s=1.04 GeV); low-pT spectra exp...

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