W. Waalewijn

Using $γ$ +jets to quantify medium-induced jet broadening in heavy-ion collisions

Ankita Budhraja, Marco van Leeuwen, Wouter Waalewijn

The structure of jets produced in high-energy nucleus-nucleus collisions carries information on parton energy loss and interaction in the quark-gluon plasma. This parton energy los…

Event-axis TMD measurements in $e^{+} e^{-}$ and SIDIS

Daniel Diaz Fernandez, Patricia Andrea Gutierrez Garcia, Ignazio Scimemi +1

Transverse-momentum-dependent (TMD) fragmentation in $e^{+} e^{-}$ collisions can be studied by measuring hadrons with respect to the thrust axis, and has been measured at Belle. This p…

Putting Jet Substructure on Track(s)

Kyle Lee, Ian Moult, Wouter J. Waalewijn

One of the main advances in analysis strategies at the Large Hadron Collider (LHC) has been the ability to study the detailed structure of energy flow within high transverse moment…

Higher-point Energy Correlators: Factorization in the Back-to-Back Limit & Non-perturbative Effects

Ankita Budhraja, Isabelle Pels, Wouter J. Waalewijn

N-point energy correlators are powerful observables for studying strong interactions, with applications ranging from extractions of the strong coupling $α_{s}$ to probes of jet modif…

Resummed azimuthal decorrelation and transverse momentum imbalance of dijets at the LHC

Rong-Jun Fu, Rudi Rahn, Ding Yu Shao +2

We present a theoretical study of the azimuthal decorrelation $δ ϕ$ and transverse momentum imbalance $q_{T}$ in dijet production at the LHC, offering intriguing insights into the dyn…

From DGLAP to Sudakov: Precision Predictions for Energy-Energy Correlators

Max Jaarsma, Yibei Li, Ian Moult +2

Correlations in the distribution of energy produced in collider experiments provide a snapshot of the microscopic dynamics of QCD, and its evolution from asymptotically free quarks…

Energy Correlators from Partons to Hadrons: Unveiling the Dynamics of the Strong Interactions with Archival ALEPH Data

Hannah Bossi, Yi Chen, Yu-Chen Chen +12

Quantum Chromodynamics (QCD) is a remarkably rich theory exhibiting numerous emergent degrees of freedom, from flux tubes to hadrons. Their description in terms of the underlying q…

Soft background fields at next-to-leading power in transverse momentum dependent SIDIS with jets

Max Jaarsma, Oscar del Rio, Ignazio Scimemi +1

We present a factorization formula for the $e + h \to e + jet + X$ cross section at small transverse momenta up to next-to-leading power (NLP), derived using the bac…

IBIS: Inverse BInomial sum Solver

Paul A. J. W. van Hoegaerden, Coenraad B. Marinissen, Wouter J. Waalewijn

In higher-loop calculations, Mellin-Barnes representations are used to simplify the denominators encountered in Feynman parameter integrals. The contour integrals of these represen…

hep-ph2025★ 5 cited

Energy Correlators Beyond Angles

Samuel Alipour-fard, Wouter J. Waalewijn

Energy correlators are theoretically simple and physically intuitive observables that bridge experimental and theoretical particle physics. They have for example enabled the most p…

hep-ph2024★ 4 cited

$q_{T}$ -slicing with multiple jets

Rong-Jun Fu, Rudi Rahn, Ding Yu Shao +2

Modern collider phenomenology requires unprecedented precision for the theoretical predictions, for which slicing techniques provide an essential tool at next-to-next-to-leading or…

hep-ph2024

New Angles on Energy Correlators

Samuel Alipour-fard, Ankita Budhraja, Jesse Thaler +1

Energy correlators have recently come to the forefront of jet substructure studies at colliders due to their remarkable properties: they naturally separate physics at different sca…

hep-ph2024

$ν$ -point energy correletors with FastEEC: small- $x$ physics from LHC jets

Ankita Budhraja, Hao Chen, Wouter J. Waalewijn

In recent years, energy correlators have emerged as a powerful tool for studying jet substructure, with promising applications such as probing the hadronization transition, analyzi…

hep-ph2024★ 6 cited

Jet veto resummation for STXS $H +$ 1-jet bins at aNNLL $^{'}$ +NNLO

Pedro Cal, Matthew A. Lim, Darren J. Scott +2

Measurements of Higgs boson processes by the ATLAS and CMS experiments at the LHC use Simplified Template Cross Sections (STXS) as a common framework for the combination of measure…

hep-ph2024

FastEEC: Fast Evaluation of N-point Energy Correlators

Ankita Budhraja, Wouter J. Waalewijn

Energy correlators characterize the asymptotic energy flow in scattering events produced at colliders, from which the microscopic physics of the scattering can be deduced. This vie…

A Formalism for Extracting Track Functions from Jet Measurements

Kyle Lee, Ian Moult, Felix Ringer +1

The continued success of the jet substructure program will require widespread use of tracking information to enable increasingly precise measurements of a broader class of observab…

Energy Correlators on Tracks: Resummation and Non-Perturbative Effects

Max Jaarsma, Yibei Li, Ian Moult +2

Energy correlators measured inside high-energy jets at hadron colliders have recently been demonstrated to provide a new window into both perturbative and non-perturbative Quantum…

Transverse Momentum Measurements with Jets at Next-to-Leading Power

Rafael F. del Castillo, Max Jaarsma, Ignazio Scimemi +1

In view of the increasing precision of theoretical calculations and experimental measurements, power corrections to transverse-momentum-dependent observables are highly important.…

Probing factorization violation with vector angularities

Pim Bijl, Steven Niedenzu, Wouter J. Waalewijn

Factorization underlies all predictions at the Large Hadron Collider, but has only been rigorously proven in a few cases. One of these cases is the Drell-Yan process, $pp \to Z/γ+…

hep-ph2023★ 14 cited

The case for an EIC Theory Alliance: Theoretical Challenges of the EIC

Raktim Abir, Igor Akushevich, Tolga Altinoluk +167

We outline the physics opportunities provided by the Electron Ion Collider (EIC). These include the study of the parton structure of the nucleon and nuclei, the onset of gluon satu…