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Parton Showers and Resummation 2025

14–18 Jul 2025
CERN
Europe/Zurich timezone

TH workshop secretariat

Session

Recent developments in jet physics

17 Jul 2025, 14:30
4/3-006 - TH Conference Room (CERN)

4/3-006 - TH Conference Room

CERN

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  1. 61. NNLO predictions with nonlocal subtractions and fiducial power corrections
    Alessandro Broggio
    17/07/2025, 14:30
  2. 10. The Lund b-jet plane
    Andrea Ghira (Università degli studi di Genova)
    17/07/2025, 15:00

    In this talk, I will present our research on the substructure of jets containing heavy flavour. Our main goal is to better understand these jets from a theoretical perspective, using resummed perturbative techniques that are specially designed for jets coming from heavy quarks. In particular, we provide analytical predictions for several key jet substructure observables, including jet...

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  3. 19. Super-leading logarithms and PDF factorization
    Dominik Schwienbacher
    17/07/2025, 16:15

    I analyze the low-energy dynamics of gap-between-jets cross sections at
    hadron colliders, for which phase factors in the hard amplitudes spoil
    collinear cancellations and lead to double (`super-leading') logarithmic
    behavior. Based on a method-of-regions analysis, I identify three-loop
    contributions from perturbative active-active Glauber-gluon exchanges with the correct structure to...

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  4. 25. The perturbative structure of jet vetoes in azimuthal gaps
    Alexander Fraley (University of Manchester)
    17/07/2025, 16:45

    The distribution of transverse energy flow into an azimuthal strip presents novel theoretical features and accompanying challenges in its all-order description. Its resummation structure depends non-trivially on the axis definition, with the standard thrust axis breaking naive double-logarithmic exponentiation. Moreover it receives non-global logarithmic (NGL) enhancements that start with...

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  5. 57. SLLs in ttbar production
    UPALAPARNA BANERJEE (JGU Mainz)
    17/07/2025, 17:15
  6. 21. Partial N3LL + NNLO Resummed Predictions for the Drell-Yan Process in Rapidity Dependent Jet Veto Observables
    Thomas Clark
    17/07/2025, 17:45

    Jet vetoes are important tools that can be used to separate hard processes. A commonly used variable in which jets are identified and vetoed is the transverse momentum of a jet. It can also be useful to vary the tightness of such cuts depending on the rapidity of a jet depending on the focus on central or forward jets. This naturally leads to a class of such variables related to the leading...

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