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Standard Model at the LHC 2025

7–10 Apr 2025
Durham
Europe/London timezone

Session

QCD

8 Apr 2025, 10:45
Applebey Lecture Theatre W103 (Durham)

Applebey Lecture Theatre W103

Durham

Conveners

QCD

  • Thomas Cridge (DESY)

QCD

  • Thomas Cridge (DESY)

Presentation materials

There are no materials yet.

  1. 41. Energy correlators and alpha_s
    Wouter Waalewijn (University of Amsterdam)
    08/04/2025, 10:45
  2. 42. Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range
    Prof. Claire Gwenlan (University of Oxford)
    08/04/2025, 11:10

    We determine the value of the strong coupling α_s and study its running over a wide range of scales as probed by the dijet production process at hadron colliders. The analysis is performed using the complete next-to-next-to-leading order (NNLO) predictions in perturbative QCD and is based on dijet data published by ATLAS and CMS at center-of-mass energies of 7, 8, and 13 TeV. From a large...

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  3. 44. Measurements on jet substructure at the LHC (ATLAS+CMS)
    Mr Toni Mlinarevic (University College London)
    09/04/2025, 14:00
  4. 45. Robust estimates of theoretical uncertainties at fixed-order in perturbation theory
    Dr Matthew Lim (University of Milan Biccoca)
    09/04/2025, 14:25
  5. 40. "Overview of alpha_s from EECs / TEECs in e+e- and pp collisions"
  6. 43. "Theoretical progress on jet substructure"
  7. 3. Compact Two-Loop QCD Corrections for $Vjj$ Production in Proton Collisions
    Giuseppe De Laurentis (University of Edinburgh)
    QCD
    ESR Talk

    We consider two-loop QCD corrections in the leading color approximation for the production of a heavy electroweak vector boson, $V = \{W^{\pm}, Z,\gamma^\star\}$, in association with two light jets ($Vjj$) at hadron colliders. Leptonic decays of the electroweak boson are included at the amplitude level. We develop an approach that allows us to derive an analytic representation three orders of...

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  8. 5. Exploring Surprising Non-Perturbative Effects in Drell-Yan plus Jets
    Maximilian Horzela (Georg-August-Universität Göttingen)
    QCD
    ESR Talk

    Non-perturbative effects present an important contribution to precise measurements of SM parameters. They are typically studied using Monte Carlo event generators that complement fixed-order predictions with non-perturbative models. These models are of empirical nature and need to be tuned to experimental measurements in order to provide accurate predictions. Once tuned, they are typically...

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  9. 8. Overview of ATLAS Forward Proton Detectors: Status, Performance and Physics Results
    Sergio Javier Arbiol Val
    QCD
    ESR Talk

    A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. However, an important class of physics can be studied for cases where the protons narrowly miss one another and remain intact. In such cases, the electromagnetic fields surrounding the protons can interact producing high-energy photon-photon collisions. Alternatively, interactions mediated by the...

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  10. 10. Second Order Corrections to Diphoton Transverse Momentum Distribution at the LHC
    Weijie Feng
    QCD
    ESR Talk

    Photon pair production is an important benchmark process at the LHC, entering Higgs boson studies and new physics searches. It has been measured to high accuracy, allowing for detailed studies of event shapes in diphoton final states. In this talk, I present the second-order QCD corrections (${\cal O} (\alpha_s^3)$) of the production of a photon pair at non-zero transverse momentum. Comparison...

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