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Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation

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arxiv 2409.17770 v2 pith:LKY3LQW4 submitted 2024-09-26 hep-ph hep-ex

CMS Collaboration This is my paper · ORCID
classification hep-phhep-ex
keywords intrinsicdileptonmomentumtransversebehaviorcenter-of-massdrell-yanenergy
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

An analysis is presented based on models of the intrinsic transverse momentum (intrinsic $k_\mathrm{T}$) of partons in nucleons by studying the dilepton transverse momentum in Drell-Yan events. Using parameter tuning in event generators and existing data from fixed-target experiments and from hadron colliders, our investigation spans three orders of magnitude in center-of-mass energy and two orders of magnitude in dilepton invariant mass. The results show an energy-scaling behavior of the intrinsic $k_\mathrm{T}$ parameters, independent of the dilepton invariant mass at a given center-of-mass energy.

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Cited by 4 Pith papers

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

  1. Coarse-grained binning in Drell-Yan transverse momentum spectra

    hep-ph 2024-12 conditional novelty 6.0 of 10

    A coarse two-bin ratio of Drell-Yan transverse momentum cross sections can determine the intrinsic kT width with sensitivity comparable to fine binned spectra, as shown by pseudo-data and CMS data.

  2. Non-Perturbative Contributions to Low Transverse Momentum Drell-Yan Pair Production Using the Parton Branching Method

    hep-ph 2024-12 conditional novelty 5.0 of 10

    The fitted intrinsic-kT width obtained from CASCADE3 Drell-Yan simulations is independent of the pair invariant mass at LHC energies, consistent with the slow scale dependence of the non-perturbative Sudakov form fact...

  3. Interplay of intrinsic motion of partons and soft gluon emissions in Drell-Yan production studied with PYTHIA

    hep-ph 2024-12 conditional novelty 4.0 of 10

    The sqrt(s)-dependent intrinsic-kT width in PYTHIA 8 is traced to soft gluon emissions controlled by the ISR cutoff pT0Ref, with the fitted width increasing nearly linearly with pT0Ref.

  4. What can we learn from the Parton Branching method in QCD?

    hep-ph 2024-12 conditional novelty 3.0 of 10

    A proceedings review that highlights recent PB method results: NNLL Sudakov accuracy, a PB-CSS correspondence, and a fully consistent forward-backward shower called Pdf2Isr.

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